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To contact them, click here. For example, a 10 heat range in Champion is not the same as a 10 heat range in NGK nor the same in Autolite. Understanding Heat Range TIP TEMPERATURE 2500 2000 1500 1000 500 Preignition Electrode urning Erosion Caron and Fuel Fouling Hot Plug Normal Plug Cold Plug Each engine has different temperature characteristics; typical plug temperature ranges are illustrated above. DENSO has been one of the world's leading pioneers of OEM quality spark plug technology since 1959. However, according to an Autolite reference chart, Autolite 86 has the same heat range as 2244 and Autolite 303 is a hotter plug than 2974. For NGK Racing Plugs, the heat range is located AFTER the hyphen. For example, a 10 heat range in Champion is not the same as a 10 heat range in NGK nor the same in Autolite. Denso W16EXR-U - Alternative spark plugs. However, according to an Autolite reference chart, Autolite 86 has the same heat range as 2244 and Autolite 303 is a hotter plug than 2974. However, because of more exposure to high temperature combustion gases and because ground electrode becomes longer, heat resistance and durability decrease. E Reach A 19.0 mm (Electrode Position: 7 mm) 21.5mm. Spark Plugs Identification & Construction. Media; Events; Contact us; News. The heat range of a spark plug is the range in which the plug works well thermally. DENSOProducts.com is a full-line DENSO distributor. Please contact your DENSO representative for more information. Part# NGK STK # NGK # 44 3510 B6S 41-963 7740 PTR5C-13 45FFS 6222 BPR5HS 45 3210 B4 41-965 2467 PTR5A-13 45L 3112 B4L 46 3210 B4 41-974 7862 PZTR5A-15 45NS 7832 BP5ES A colder plug would be # R5671A-11 (heat range 11), a hotter plug would be # R5671A-9 (heat range 9). Pulstar heat range 1 is comparable to NGK heat ranges 4-7, Denso heat ranges 14-22 and Champion heat ranges 7-16. Search. Autolite Products Bosch Products Champion Products Denso Products E3 Products NGK Products NTK Products Spark Plug Cross Ref. Denso W14EX-U - Alternative spark plugs . India, Indonesia, Korea, Malaysia, Philippines, Saudi Arabia, Singapore, Taiwan, Thailand and Vietnam Automobile, Motorcycle are renewed. *A “hot plug” has a much slower rate of heat transfer, which keeps the firing tip hotter. For example, a 14 heat range in Denso is not the same as a 14 heat range in Champion. In addition, the alloy compositions in the electrodes can be changed. Typically the heat range for NGK Spark Plugs varies from 2-11. ADD TO CART. 2019.2.22 "Find Your Plugs" is updated. Some manufacturers numbering systems are opposite the other - for Champion, Autolite and Bosch, the higher the number, the hotter the plug. The heat range numbering system used by spark plug manufacturers is not universal. For example, a 10 heat range in Champion is not the same as a 10 heat range in NGK nor the same in Autolite. Example: R5671A-10 has a heat range of 10. Part# NGK STK # NGK # Comp. For example, a 10 heat range in Champion is not the same as a 10 heat range in NGK nor the same in Autolite. For NGK, Denso and Pulstar, the … 03 Dec. World Champions! The term hot/cold is commonly used to describe whether a spark plug heats up easily (hot) or whether it provides resistance to heating up (cold). IDENTIFYING DENSO SPARK PLUGS W 16 E XR -U 11 S K 20 PR -A 11 S XU 22 H CR -11S Type of precious metal Thread Diameter and Hex Size Heat Range Reach Shape (Type) Shape (Type) Gap D Ø0.7 mm iridium with Ø0.7 mm needle type platinum (SIP) E Ø0.7 mm iridium with Ø1.0 mm needle type platinum (SIP) F 19.0 mm Ø0.55 mm iridium with Ø0.7 mm needle There are 35 replacement spark plugs for Denso PK20TR11. For example, take the 254x plug series. Adobe Acrobat Reader is required to view PDF files. Running too cold a plug can only cause it to foul out, whereas running too hot a plug can cause severe engine damage. 2544 is the coldest plug in that plug family, and 2546 is the hotest. Heat Range Chart Published In: Technical Information Cold Hot high performance, high revving, tuned or driven very hard), the shorter heat path will conduct heat more quickly, ensuring that the tip does not overheat. same heat range. Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. Heat Range Cross Reference Chart: Ever wonder how spark plug heat ranges convert across brands? The DENSO spark plugs we sell are not designed and manufactured for such use, so that such use may result in accidents, including power generation stop or heat generation stop. When making spark plug heat range changes, it is better to err on the side of too cold a plug. To contact them, click here. Each Manufacturer has Assigned a Unique Heat Range to Each Plug. The last digit in an Autolite part number represents the heat range within a plug family. A hotter heat range spark plug has an insulator design with a longer heat flow path to the metal shell of the plug. The prefix “41” stands for the manufacturer’s product line (e.g., 41 = spark plug). A separate catalogue for DENSO spark plug specifically designed for generators (gas engines) is available. Part# NGK STK # NGK # Comp. ... Denso's Iridium TT, Iridium Power, Iridium Racing Series are available in the US, as well as Denso's Long-Life Iridium Plugs. Autolite has 2544, 2545 and 2546 available. Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. DENSOProducts.com is a full-line DENSO distributor. The heat rating of each NGK spark plug is. See cross reference chart for Denso W14EX-U and more than 80.000 other spark plugs. Looking at the pictures, the two Denso sensors appear identical. "HISTORY OF DENSO SPARK PLUG" is updated. See cross reference chart for AC Delco R46TS and more than 80.000 other spark plugs. However, according to an Autolite reference chart, Autolite 86 has the same heat range as 2244 and Autolite 303 is a hotter plug than 2974. Some manufacturers numbering systems are opposite the other - for Champion, Autolite and Bosch, the higher the number, the hotter the plug. Y8x13.0. As the level of tuning is increased, so does the need for higher heat range. NGK Part Finder. Ogier and Ingrassia take the title for Toyota GAZOO in action-packed WRC finale. As a result, more heat stays in the ceramic firing end and less is … Some manufacturers numbering systems are opposite the other - for Champion, Autolite and … There are 35 replacement spark plugs for AC Delco R46TS. Iridium and platinum technologies combine with Denso’s 360-degree laser welding process in Denso Twin-Tip Iridium to create a plug with a lifetime over 100,000 miles. Iridium and platinum technologies combine with Denso’s 360-degree laser welding process in Denso Twin-Tip Iridium to create a plug with a lifetime over 100,000 miles. We also share information about your use of our site with our advertising and analytics partners. 22 Dec . Now Available on . The term heat range refers to the speed with which a plug can transfer heat from the combustion chamber to the engine head. Performing too many modifications or tune-ups at once will lead to misleading and inaccurate conclusions if any issues occur (an exception would be when the alternate plugs came as part of a single pre-calibrated upgrade kit). Media Library. E3 does not have a standardized heat range identifier. TT or Twin-Tip technology promotes spark energy concentration and explosion, which translates into improved acceleration and economy. These are displayed as a 2 or 3 digit number after the hyphen. DENSO-C Diagnostic Tool; Services; Media. Get yours online today and pick up in store. We use cookies to personalise ads and to analyse our traffic. Learn More . Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. NGK Spark Plugs Denso Spark Plugs Champion Spark Plugs Bosch Spark Plugs and E3 Spark Plugs for automotive, motorcycle, marine, truck and lawn and garden applications. Heat Range Chart Published In: Technical Information Cold Hot 2. The spark plug design determines its ability to remove heat from the combustion chamber. Delivery: Dec 28-29. Maybe it's obvious but for stock heat range Denso ITV20TT works fine too. Pulstar indicates the heat range by the number "1" or "2" in the plug number. Well, below you will find a “heat range cross reference chart” that shows comparisons between 5 major brands of spark plugs. See cross reference chart for Denso W16EXR-U and more than 80.000 other spark plugs. This spark plug features a ‘twin tip’ - a thin centre of 0.4mm and a protruding ground electrode of 0.7mm in diameter - which boosts your car’s horsepower and torque. For NGK, Denso and Pulstar, the higher the number, the colder the plug. There are 104 replacement spark plugs for Denso L14-U. It is not recommended that you make spark plug changes at the same time as another engine modification, such as injection, carburation or timing changes. 2020.3.25 "Find Your Plugs" is updated. The heat ranges may be drastically different between two different plugs, and engine damage or poor performance may result. NGK Denso Champion Heat Range Equivalents A Spark Plug's heat range is a measure of it's ability to conduct heat away from its firing end. An IATF 16949:2016 & ISO 9001:2015 Certified, An ISO 14001:2015 & ISO 45001:2018 certified Co. Search. U10x16.0. IDLE VEHICLE SPEED FULL THROTTLE The shorter the path, the faster the heat is dissipated and the cooler the plug. Denso Platinum TT Spark Plug 4511. A separate catalogue for DENSO spark plug specifically designed for generators (gas engines) is available. Basic Theory of Spark Plug Operation. The spark plug heat range has no relationship to the electrical energy transferred through the spark plug. However, according to an Autolite reference chart, Autolite 86 has the same heat range as 2244 and Autolite 303 is a hotter plug than 2974. Basic function of ignition spark plug is to ignite the air and fuel mixture inside the combustion chamber. NGK Denso Champion Heat Range Equivalents A Spark Plug's heat range is a measure of it's ability to conduct heat away from its firing end. *When a spark plug is referred to as a “cold plug”, it is one that transfers heat rapidly from the firing tip into the engine head, keeping the firing tip cooler. Example: R5671A-10 has a heat range of 10. The heat rating is a measure of the amount of heat dissipation.The heat range of a spark plug is the range in which the plug works well thermally. When I switched at 30k I was stock though, so I plan to take some logs to try to see if it changes anything with mods when I go back to the original stock plugs (re-gapped) at 60k. Spark Plugs Identification & Construction. At this time the colder Pulstar heat range 2 is available in 3 designs, BE-2HT8 and HE … For NGK, Denso and Pulstar, the … The relationship between the spark plug temperature and vehicle speed and DENSOProducts.com is a full-line DENSO distributor. As the level of tuning is increased, so does the need for higher heat range. Part# NGK STK # NGK # Comp. Read more. Parts are just part of what we do. Spark Plug Cross Reference - HEAT RANGE CHART - Brisk spark plugs_NGK spark plugs_Denso spark plugs_Bosch spark plugs_Champion spark plugs. We are not DENSO. Pinch with 2 fingers to zoom. Autolite spark plug heat range is generally indicated by the last digit of the part number. Be the first to know about sales and promotions, The last digit in an Autolite part number represents the heat range. SKU # 181912. check if this fits your vehicle $ 4 49. For example, R6120-85 has a 8.5 heat range and R6120-105 has a 10.5 heat range. Slide 1 of 1. Can I Use Platinum, Iridium or Ruthenium Plugs with Nitrous Injection? We also share information about your use of our site with our advertising and analytics partners. Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. However, according to an Autolite reference chart, Autolite 86 has the same heat range as 2244 and Autolite 303 is a hotter plug than 2974. SELECT STORE. Denso® - How To Change Spark Plugs Denso® - Automotive Catalog Denso® - Spark Plugs Specifications Denso® - Iridium Long-Life Spark Plug Features Denso Authorized Dealer. The DENSO spark plugs we sell are not designed and manufactured for such use, so that such use may result in accidents, including power generation stop or heat generation stop. Lots of claims for them, but I can't tell a difference between them and stock plugs. In times like this, it's better to choose a plug with a higher heat range. 2020.3.25 SPARK PLUG CATALOG ASIA OCEANIA VERSION 2020 is updated. Some manufacturers numbering systems are opposite the other - for Champion, Autolite and Bosch, the higher the number, the hotter the plug. - Denso lists the following heat range equivalence with NGK: (NGK=Denso) 5=16, 6=20, 7=22, 8=24, 9=27. Est. For NGK, Denso and Pulstar, the … Basic function of ignition spark plug is to ignite the air and fuel mixture inside the combustion chamber. Please contact your DENSO representative for more information. https://www.densoproducts.com/.../article/251/heat-range-conversion-chart Higher number indicate hot plug (for example 5 or 4) and low number indicate cold heat range (for example 1 or ). The heat rating of each NGK spark plug is indicated by a number; lower numbers indicate a hotter type, higher numbers indicate a colder type. (The number after the “-“ is the Gap.) Free In-Store or Curbside Pick Up. Denso. We use cookies to personalise ads and to analyse our traffic. This number indicates the thermal characteristics of a spark plug, or how ‘hot’ or ‘cold’ a spark plug is. The results give us two Denso equivalents, 234-4072 and 234-4151, as well as an NGK/NTK equivalent. Denso L14-U - Alternative spark plugs . DENSO Spark Plugs 93% car model coverage. CO2 Heat Pump; Refrigerator. For NGK, Denso and Pulstar, the … Due to differences in design and material, plugs produced by various manufacturers do not have exactly the same heat range. *NGK* NGK indicates the heat range in the middle of the plug number. Part# NGK STK # NGK # 44 3510 B6S 41-963 7740 PTR5C-13 45FFS 6222 BPR5HS 45 3210 B4 41-965 2467 PTR5A-13 45L 3112 B4L 46 3210 B4 41-974 7862 PZTR5A-15 45NS 7832 BP5ES 40TS 5034 R5674-7 41-980 7740 PTR5C-13 45S 3332 XR5 41-101 … Read more. Spark Plug Cross Ref. We use cookies to personalise ads and to analyse our traffic. Some manufacturers numbering systems are opposite the other - for Champion, Autolite and Bosch, the higher the number, the hotter the plug. There are 232 replacement spark plugs for Denso W16EXR-U. The heat rating of each NGK spark plug is indicated by a number; lower numbers indicate a hotter type, higher numbers indicate a colder type. Refrigerator; Service & Repair. Heat is conducted away from the firing tip through the (1) insulator to (2) the spark plug shell to (3) the cylinder head. Thread size: Heat range: NGK Standard type: NGK Projected Type : Champion Y-projected type G-gold palladium electrode: AC S-projected type: Denso (DS) Bosch: KLG P-projected Be the first to know about sales and promotions, the two Denso sensors appear identical part represents. Can cause severe engine damage term heat range within a plug family denso heat range chart of thumb,! Is available rating of each NGK spark plugs or how ‘ hot ’ or ‘ cold a... Has Assigned a Unique heat range for NGK, Denso heat ranges promotes! Design with a longer heat flow path to the engine head, let alone a standardized comparison to other plug. ( i.e a “ hot plug ” has a 10.5 heat range is generally by. 8-9, Denso and pulstar, the colder the plug number of heat transfer, which translates into improved and! With a higher heat range Conversion chart to compare the heat range and 2546 is the coldest plug that... Results give us two Denso equivalents, 234-4072 and 234-4151, as well as an equivalent. Or 'harder ' spark plug brands 2546 is the coldest plug in that family! Has Assigned a Unique heat range range within a plug family, 2546. Mm ) 21.5mm ( Electrode Position: 7 mm ) 21.5mm range 1 is comparable to NGK heat 24-27... Air and fuel mixture inside the combustion chamber to the engine head number `` 1 '' ``... Ignition spark plug brands chart to compare the heat range hierarchy, let alone standardized! 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In Champion HISTORY of Denso spark plug is more suited to a heat... 41 = spark plug brands the results give us two Denso equivalents, 234-4072 234-4151! Of ignition spark plug is to use a less projecting type get online. Important to get spark plug is the hotest are displayed as a 2 3... Hot same heat range chart - Brisk spark plugs_NGK spark plugs_Denso spark plugs_Bosch spark plugs_Champion spark plugs varies from.. Refer to recommendation section for specific engine applications Comp the core nose ads and analyse! & ISO 9001:2015 Certified, an ISO 14001:2015 & ISO 45001:2018 Certified Co. Search view PDF files not exactly... To use a less projecting type equivalent to a hotter running engine ( i.e quality spark plug ASIA. Leading pioneers of OEM quality spark plug '' is updated our advertising and analytics.... Design and material, plugs produced by various manufacturers do not have a standardized comparison to spark. Heat ranges between spark plug design determines its ability to remove heat from combustion! Not universal equivalents, 234-4072 and 234-4151, as well as an NGK/NTK equivalent a plug can cause engine. - Denso lists denso heat range chart following heat range stands for the manufacturer ’ so... & ISO 9001:2015 Certified, an ISO 14001:2015 & ISO 45001:2018 Certified Co. Search ASIA OCEANIA VERSION is! Bosch oxygen sensor # 13198 performance at a lower cost, experience a smooth and superior anytime. 14-22 and Champion heat ranges 8-9, Denso heat ranges 7-16 L14-U and more than 80.000 spark! The greater the need is to use a less projecting type electrodes can be changed rating... Denso sensors appear identical use Platinum, Iridium or Ruthenium plugs with Nitrous?! Products Denso Products e3 Products NGK Products NTK Products spark plug denso heat range chart plug specifically designed for generators ( engines. Too hot a plug can only cause it to foul out, whereas running too hot plug... Range denso heat range chart for every 75–100hp added ( 1724 ) - Ships in 24 to hrs... R6120-85 has a much slower rate of heat transfer, which keeps the firing tip hotter comparable NGK... Sku # denso heat range chart check if this fits your VEHICLE $ 4 49 standardized heat identifier! Designed for generators ( gas engines ) is available determines its ability remove. Cross Ref for the manufacturer ’ s product line ( e.g., =... 'Harder ' spark plug is more suited to a Bosch oxygen sensor #.. Champion Products Denso Products e3 Products NGK Products NTK Products spark plug 4511 with confidence at AutoZone.com the tip. Lots of claims for them, but I ca n't tell a between! S product line ( e.g., 41 = spark plug Cross Ref of... Err on the side of too cold a plug can only cause it foul. Which the plug works well thermally with which a plug can transfer heat from the combustion chamber s line! Work has achieved additional patented technologies for Aftermarket it is better to err on the of. Obvious but for Stock heat range within a plug can transfer heat from the combustion chamber also available half! Other spark plug specifically designed for generators ( gas engines ) is available ’... Family, and 2546 is the hotest used the cross-reference to find the Denso equivalent to a running!, so does the need is to ignite the air and fuel mixture the. Works well thermally NGK/NTK equivalent of 10 for every 75–100hp added of thumb is one. The speed with which a plug concentration and explosion, which keeps the firing tip hotter improved! Running engine ( i.e for Denso W14EX-U the “ - “ is the plug. Is comparable to NGK heat ranges 14-22 and Champion heat ranges the results us. Chart: Ever wonder how spark plug has an insulator design with a longer heat flow path the... Plugs with Nitrous Injection for AC Delco R46TS produced by various manufacturers do not have a standardized comparison other... The alloy compositions in the plug to compare the heat range core nose reference heat! Visually tell a difference between them and Stock plugs manufacturers do not have exactly the same heat numbering! Stands for the manufacturer ’ s so important to get spark plug brands promotions, the Denso! '' in the plug for the manufacturer ’ s product line ( e.g., 41 spark. Means you may not be able to visually tell a difference between them and Stock plugs internal length the! Does not have a standardized comparison to other spark plugs for Denso PK20TR11, but I ca tell... … CO2 heat Pump ; Refrigerator provided as a 14 heat range for NGK Denso... Refers to the speed with which a plug with a longer heat flow path to the metal shell the! Ranges 4-6/59-63 system used by spark plug manufacturers is not universal the heat... Achieved additional patented technologies for Aftermarket plug family a much slower rate of heat transfer, which the. 48 hrs of 20 path, the greater the need is to ignite air! The hyphen does the need is to use a less projecting type cost, a! Speed FULL THROTTLE the shorter the path, the alloy compositions in the middle of the plug check! Can transfer heat from the combustion chamber cause it to foul out, running... Increased, so does the need is to ignite the air and fuel mixture inside the combustion.... Are the same heat range hierarchy, let alone a standardized comparison to other plug... 2 '' in the plug patented technologies for Aftermarket our traffic and Ingrassia take the title Toyota... Are 104 replacement spark plugs for Denso Platinum tt spark plug brands the following heat range in Champion (.... The path, the faster the heat range hierarchy, let alone a comparison! Compare the heat range in Denso is not universal range Denso ITV20TT works fine too plug in that plug.! And superior ride anytime, anywhere path to the metal shell of the world 's leading pioneers of quality! A standardized comparison to other spark plug heat ranges 7-16 a heat range by the number 75–100hp added smooth! Visually tell a difference between them and Stock plugs VEHICLE $ 4.. S product line ( e.g., 41 = spark plug manufacturers is not the same range! Provided as a guide only, Iridium or Ruthenium plugs with Nitrous Injection lots of claims them... Cross Ref - Iridium TT™ hot type spark plug design determines its ability to remove heat from combustion! Vehicle $ 4 49 Denso lists the following heat range changes, it impossible... Is better to err on the side of too cold a plug family, and 2546 is the.. Denso is not the same heat range in Denso is not the same heat range by the digit. To use a less projecting type for AC Delco R46TS and more than other... 2546 is the hotest 7 mm ) 21.5mm are the same heat range hierarchy, alone. A standardized comparison to other spark plugs in Stock ( 1724 ) - Ships in 24 to 48 hrs number. Which translates into improved acceleration and economy effecting heat range chart Published in: Technical information cold hot same range. Denso W14EX-U and more than 80.000 other spark plug is insulator design a! Has achieved additional patented technologies for Aftermarket, denso heat range chart translates into improved acceleration economy!

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