Purchase them from a local parts supplier to help save on costs if you wish. Disclaimer - Please always remember to reference your Owner's Manual for correct spark plug fitment, threading, sizing, and more; Add To Cart Add To Cart Add To Cart. Other options New and used from $22.75. We routinely see engines with cracked, chipped and even shattered pistons which result in catastrophic engine damage. SKU: RM41-101X6: Product Tags. Here is a copy of the bulletin so you guy can read it. Install the new plug finger tight, and complete the installation with a torque wrench. Passenger and Commercial. Commercial and Industrial. Simply remove one and look at the number on it. ATV and Quad. Be sure to use the right spark plug. About Us. Spark Plug Gap. In fact NGK produces and stocks over 1,000 different types of spark plug and every product matches even the most demanding manufacturers’ specifications. We use cookies to personalise ads and to analyse our traffic. Part Number Fits; Notes 33-884019001: 2001-2006 MCM/MIE, 4.3L MPI, 5.0L MPI, 350 Mag MPI & MX 6.2L MPI engines with ECM 555(s/n OM3000000 and up) (AC, 41-932 Platinum) Priced individually. The "-T" indicate LGS style spark plug with a Tighter gap than standard LGS style spark plug and should be used on applications where the recommended gap setting is less than .032"., Brisk Extra Turbo Spark Plugs and some others. Use spaces to separate tags. Passenger and Commercial. Product Catalogue - NGK Spark Plug - BPR6EFS - MerCruiser - GM V-8 - 5.7L - 5.0L - 350MAG - 3.0L. If the carburetor is set incorrectly you face a power loss at least and in the worst case you can damage your engine. Electrical Hardware & Accessories. 6 x AC Delco Professional Iridium Tip 41-101, replaces AC 41-993. Step One. A spark plug is a device installed at the top of an engine cylinder that generates sparks at the tip of its electrode when a high voltage is applied across its terminal ends, thus igniting the compressed air-fuel mixture in the cylinder. Cross reference guide . Get it as soon as Tue, Dec 8. Mercury-Mercruiser 33-8M2018369 Spark Plug NGK ITR4A15 Iridium ... 33-8M2018369 Iridium Spark Plug NGK ITR4A15 This is a genuine Mercury Marine factory OEM part, not aftermarket Please check our current stock level and order below or use the Contact Us form at the bottom of the page for any questions Manufacturer: Mercury Marine. Select a product . Our Brisk 360-degree Mercruiser spark plug is the perfect choice to replace your boat engine’s plugs. Reduced ignition RFI; Maintains accurate control of heat range; Maximum heat dissipation and conductivity; Copper core optimizes performance and plug life; Resists overheating under heavy … Only 13 left in stock - order soon. Replaces Volvo Penta: 21513423. For Mercruiser, Volvo Penta, Indmar, PCM, Marine Power Multi Point Injection . Pricing Guide: Engine Packages | Drives | Quicksilver Props. Select your vehicle. Spark Plug specification is subject to change without notice. We also share information about your use of our site with our advertising and analytics partners. MerCruiser Spark Plugs & Wires. Availability: Not in stock - will be transferred from factory. Choose a type . Wet, check your serial number. 3 replacement spark plugs for Mercruiser 33-803507. 95. Docking Lights. They're expensive because they're the highest quality and longest lasting OEM quality spark plug made for your engine. This site can cross reference any spark plugs to NGK, Champion, Bosch and Denso. Light Bars. Not available in store. Motorcycles and Scooters. Before going into the spark plug check, let’s look at these three categories in detail. Navigation Lights. It is normal for an engine to use a certain amount of oil in the process of lubrication and cooling of the engine. Code151097044330. Page 2 MerCruiser #24 GM V-8 90-861327--1 305 CID (5.0L) / 350 CID (5.7L) MerCruiser #24 GM V-8 90-861327--1 305 CID ... ENGINE CRANKCASE OIL MUST BE CHECKED AT INTERVALS SPECIFIED IN “MAINTENANCE SCHEDULE” CHART. Created for a super high HP, with no compromise ignition, these deliver the highest overall performance to the spark gap over any competing design guaranteed. Once you get the socket over the spark plug, place your hand over the head of the wrench, grasping the head firmly and pull the handle, hitting it gently with the palm of your hand to get it going. $46.70 $ 46. FREE Shipping. Choose a type. Replaces Mercruiser: 8M2018369. The amount of oil consumption is greatly dependent … Sierra International 18-8810-1 Premium MagForce Marine Spark Plug Wire Set for Mercruiser Sterndrive and OMC Engines (18-6089) 4.8 out of 5 stars 80. 99. Trust the brand more OEM’s rely on — it’s all part of our heritage. Marine. ATV and Quad. NGK Laser Iridium ITR4A-15 is latest MerCruiser recommended spark plug for your MerCruiser 5.0L MPI . 00. platinum upgrade stock no. MPN BPR6EFS. Eight spark plugs are required to keep the engine running smoothly. The bulletin is for ALL engines starting with a SN, Merc doesn't go by Year on this kind of thing, only SN. Read more. iridium upgrade stock no. Genuine AC Delco Spark Plug Set for 4.3L V6 MPI. "Header-Proof" Ceramic Spark Plugs Ceramic Spark Plug Wires - $340 That is why it is so important to routinely check your Mercruiser spark plugs, wires, and wiring harness for signs that its service life is over. £2.63. Use a spark plug wrench with an extender. If there are trailing numbers after the part number, then the gap should be specifically set as per the manufacturer's part code designation (e.g. Select a product . Choose a type . SparkPlugCrossReference.co.uk will show you where you can purchase your spark plugs along with their price and extra information, including plug specifications. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. Ignition Parts Spark Plugs Non-Automotive Ignition Parts Ignition Coils Wire Sets Sensor Parts Position Sensors Pressure Sensors Speed Sensors Temperature Sensors Specialty Sensors Fluid Level Sensors Oxygen Sensors Air-Fuel Ratio Monitor Kits Non-Automotive Sensors Pre-gapped to 0.060" Mercury says they should last roughly 400 hours. For more than 80 years, it’s been the people behind our brands driving performance with the latest in spark plug, oxygen sensor and OE-quality technical sensor technology. To read a spark plug and assess engine troubles, you first have to remove it. Fuses - Fuse Blocks - Butt Connectors. See cross reference chart for Mercruiser 33-803507 and more than 80.000 other spark plugs. Now that you’ve found the part you’d like to replace, you can use the chart below to identify the genuine Briggs & Stratton replacement spark plug and gap recommendation. Spark plugs for the 350 engine are on the sides of the engine, outside the cylinder heads. Spark Plug Cross Reference. Champion your watercraft with Marine spark plugs for inboards, outboards, jet boats and other marine applications. Add Your Tags: Add Tags. These Mercruiser spark plugs work conjointly with stock as well as upgraded ignition. Click to enlarge. MERCRUISER SPARK PLUGS. Availability: 32 available. RM41-101 X6. Mercruiser 33-803507 - Alternative spark plugs. CHAMPION ® MARINE PERFORMANCE. Re: MERCRUISER 3.0 SPARK PLUG GAP I have no idea WHY the change, Merc doesn't tell us why on anything, Just here are the new specs, use them. 33-884019001 : Fits 2006 and newer MCM/MIE 4.3L MPI, 5.0 MPI, … ngk spark plug upgrade chart original plug stock no. "@8" means that they come in boxes of eight. … $28.95 $ 28. Mercury-Mercruiser 33-898264001 SPARK PLUG (AC-MR43T) ... 33-898264001 SPARK PLUG (AC-MR43T) This is a genuine Mercury Marine factory OEM part, not aftermarket Please check our current stock level and order below or use the Contact Us form at the bottom of the page for any questions Manufacturer: Mercury Marine. Marine. Check for correct application and spec/measurements. CAUTION! $56.00 $ 56. Johnson Evinrude Propellers From 5hp to 8hp PIN DRIVE ONLY; Johnson /Evinrude 9.9 HP TO 15 HP (13 Tooth & Thru Hub Exhaust) Johnson /Evinrude 9.9 hp to 15hp (4 stroke 02-07 10 tooth spline) NGK Spark Plug - BPR6EFS - MerCruiser - GM V-8 - 5.7L - 5.0L - 350MAG - 3.0L . PUT SOME FIRE ON THE WATER. 4.4 out of 5 stars 15. We use cookies to personalise ads, to provide social media features and to analyse our traffic. FREE Shipping by Amazon. Ignition Parts. RPS Spark Plug Wires for Mercruiser or Volvo Penta 3.0 Engines with Delco EST HEI Distributor . Spark Plug specification is subject to change without notice. Performance. )uses these spark plugs. NGK stock # 5599 … MARINE Spark PLUGs. Step-by-Step Instructions Tapered Seat Plugs. The database consists of 25,360 cross references between plug manufacturers. Over time, salt spray, humidity, and UV rays take their toll on many boat systems, even those that are not readily visible. Battery Chargers - Inverters - Converters - Isolators. Commercial and Industrial. Select your vehicle. NGK Spark Plugs has been developing spark plug technology since the 1930s and manufacture plugs for every type of automotive engine, as well as for motorcycles, marine, horticultural, plant and many other applications. Any use of this cross reference is done at the installers risk. Mercruiser Marine Quick Strike Spark Plug Wire Set Model 170 ci 1985-1986 4 Cyl Serial# 6916779-0B434940 Part# 631-0015 OEM# 18-8808-2, 9-28014, 84-816761Q6, 84-816761K6, BEL700706, 105, 106. Spark Plug Type & Gap Chart for Briggs & Stratton Engines. Spotlights & Search Lights . Spark Plug Cross Reference. ACDelco 41-993 Professional Iridium Spark Plug (Pack of 4) 4.8 out of 5 stars 678. NGK 3722 BR5HS Standard Spark Plug #018-3693-2 (0) 0.0 out of 5 stars. Spreader - Masthead - Deck - Floodlights. The stock 496 / 8.1L cast pistons are not designed to withstand the forces of extreme endurance use. Snowmobile. Manufacturer part number: … Delivery Information. It is essential that they are rewired correctly before the engine is started. Snowmobile. Note: If using a torque wrench vs. plug wrench, please refer to the Torque Recommendations chart below. Underwater Lights. We can organize the carburetor setup into three categories: Too rich, too lean and optimal. View on Vehicle Open in popup window View Wishlist Added to Wishlist NGK 3722 BR5HS Standard Spark Plug #018-3693-2 $4. SPARK PLUG CHART - MERCRUISER MCM Spark Plug Chart Model CID/ #Cyl Type of Ignition Year Range Serial # Range Spark Plug Spark Plug Gap 100 Vazer 98/ L4 Delco - HEI 2007 - 2009 1A035000 and up 33-896329818 .035 110 153/ L4 Delco 1963 - 1966 1537370 - 2044033 33-813471 1 .035 120 153/ L4 Delco 1964 - 1974 1666601 - 3825578 33-813471 1 .035 120 153/ L4 Delco 1974 - 1986 3825579 - … $9.00 shipping. Shop with confidence - get free shipping to home or stores + price match guarantee! Cross reference guide . 70. Most every GM marine engine ever made up to 2000(except mercruiser 470 4 cyl. $29.95 $ 29. The Spark Plug Cross references are for general reference only. The spark plug is a great indicator, to see if the carburetor settings are correct. We also share information about your use of our site with our social media, advertising and analytics partners. Choose a type. Flashlights. Mercruiser 496cid Cast Pistons Break. Shop, read reviews, or ask questions about Spark Plugs at the official West Marine online store. Depending on the year of the engine, the spark plugs may stick straight out or set at a 35-degree angle. Additional Information. Bulbs & Sockets. Use the Champion torque recommendation below as a guide for tightening all spark plugs. The Champion number that crosses directly is RV8C. Spark plugs for the Chevy 350 engine are readily available from any auto parts store. The three critical components to ensuring that the spark plugs have been properly rewired are firing order, cylinder numbering and distributor rotation direction. Traditional spark plugs' ground electrodes restricts the natural spherical expansion pattern of the flame front whereas our High Performance Mercruiser 502 Mag MPI Stern Drive V8 Chevrolet Big Block sparkplugs take the advantage of surface spark discharge, along with retracted ground electrode designed, to ensure maximum spark exposure and unrestricted flame front expansion. Electrical Hardware & Accessories. Mercruiser, crusader, chris craft, OMC, Pleasure Craft, volvo all of them from the ealy 1970's till now. Courtesy - Cabin - Chart Lights. Performance. These are marine plugs not automotive. The AC number is MR43T. Changing spark plugs requires more than just the ability to pull each one out and put a new one in the empty space. Motorcycles and Scooters. From the ealy 1970 's till now except Mercruiser 470 4 cyl Bosch... Marine engine ever made up to 2000 ( except Mercruiser 470 4 cyl you face a power loss least... 5.0L - 350MAG - 3.0L and optimal, Dec 8 4.3L V6 MPI the... In stock - will be transferred from factory wrench, please refer the... Header-Proof '' Ceramic spark plugs and cooling of the engine, outside the cylinder heads is subject change... Ceramic spark plugs for inboards, outboards, jet boats and other Marine applications plugs for inboards, outboards jet... Be transferred from factory | Drives | Quicksilver Props correctly before the engine is started they 're expensive they! See if the carburetor settings are correct BPR6EFS - Mercruiser - GM V-8 - 5.7L - 5.0L - 350MAG 3.0L..., champion, Bosch and Denso read a spark plug # 018-3693-2 ( 0 ) 0.0 out 5... Marine power Multi Point Injection Packages | Drives | Quicksilver Props forces of endurance! If you wish spark plug Wires - $ 340 spark plug is a copy of the is. - GM V-8 - 5.7L - 5.0L - 350MAG - 3.0L Distributor rotation direction, Marine power Multi Point.! Process of lubrication and cooling of the engine 4.3L MPI, … Mercruiser spark plugs have been properly rewired firing... Oem quality spark plug Type & Gap chart for Mercruiser 33-803507 and more than just the to... Every GM Marine engine ever made up to 2000 ( except Mercruiser 470 4 cyl numbering and Distributor rotation.. With Marine spark plugs to ngk, champion, Bosch and Denso Not in stock - will be transferred factory. Purchase them from a local parts supplier to help save on costs if you wish plug made for your 5.0L... Associates happy to assist available from any auto parts store replace your boat engine ’ s rely —. Every product matches even the most demanding manufacturers ’ specifications ) 0.0 out of 5 stars plug wrench, refer... Lean and optimal plug set for 4.3L V6 MPI you where you damage... Plug set for 4.3L V6 MPI the process of lubrication and cooling of the bulletin so you guy can it. Made for your Mercruiser 5.0L MPI reference any spark plugs for the engine... Wires - $ 340 spark plug ( Pack of 4 ) 4.8 out of 5 stars.. Plug stock no ensuring that the spark plug - BPR6EFS - Mercruiser GM... Help save on costs if you wish stocks over 1,000 different types spark! Database consists of 25,360 cross references between plug manufacturers at these three categories in detail reference only engine... Be transferred from factory plug check, let ’ s all part of our with! To keep the engine, outside the cylinder heads cracked, chipped and even shattered pistons which result catastrophic. Of 5 stars, OMC, Pleasure craft, Volvo all of them from a local supplier... Highest quality and longest lasting OEM quality spark plug and every product matches even the most demanding ’. Product matches even the most demanding manufacturers ’ specifications you can purchase your spark plugs have been rewired... From a local parts supplier to help save on costs if you.! The database consists of 25,360 cross references are for general reference only Volvo. - 5.7L - 5.0L - 350MAG - 3.0L GM Marine engine ever made up to 2000 except! Dec 8 show you where you can purchase your spark plugs have been rewired... Running smoothly it ’ s plugs Marine spark plugs requires more than just the ability to pull one... Categories in detail withstand the forces of extreme endurance use online store 3.0 Engines with cracked, and... Ability to pull each one out and put a new one in the of... Our traffic the most demanding manufacturers ’ specifications Marine has grown to over 250 local stores with... Plugs requires more than 80.000 other spark plugs may stick straight out or set at 35-degree. Plug - BPR6EFS - Mercruiser - GM V-8 - 5.7L - 5.0L - -... Demanding manufacturers ’ specifications it is normal for an engine to use a certain amount of oil in the case... Newer MCM/MIE 4.3L MPI, … Mercruiser spark plug # 018-3693-2 $.! Are on the sides of the engine is started ngk, champion, and! Least and in the worst case you can damage your engine watercraft with Marine spark plugs more. Stock no social media, advertising and analytics partners plug upgrade chart original plug stock no ngk stock # …... At a 35-degree angle these Mercruiser spark plugs 250 local stores, with knowledgeable Associates happy to assist,! All of them from the ealy 1970 's till now you where you can purchase your spark plugs been. Plug is a copy of the bulletin so you guy can read.. First have to remove it the stock 496 / 8.1L cast pistons are designed. Marine applications them from a local parts supplier to help save on costs you. Upgrade chart original plug stock no to the torque Recommendations chart below install new! Help save on costs if you wish shop, read reviews, ask! Stores, with knowledgeable Associates happy to assist database consists of 25,360 cross are... Requires more than 80.000 other spark plugs for the Chevy 350 engine are on the sides of the engine started! More than 80.000 other spark plugs guy can read it in boxes of eight / 8.1L pistons. Three categories: Too rich, Too lean and optimal says they should last 400! Reference only required to keep the engine product matches even the most demanding ’... With cracked, chipped and even shattered pistons which result in catastrophic damage! Transferred from factory supplier to help save on costs if you wish been properly rewired are order! 4.3L V6 MPI and Denso - Mercruiser - GM V-8 - 5.7L - 5.0L - 350MAG - 3.0L will! Highest quality and longest lasting OEM quality spark plug specification is subject to change without notice plug Pack... 'Re expensive because they 're the highest quality and longest lasting OEM quality spark plug # 018-3693-2 ( )... Of 25,360 cross references are for general reference only to personalise ads, to provide media... We routinely see Engines with Delco EST HEI Distributor: Not in stock - be. Remove one and look at these three categories in detail designed to withstand the forces of endurance. Briggs & Stratton Engines - get free shipping to home or stores + price match!. Last roughly 400 hours says they should last roughly 400 hours reference only the year of the bulletin you..., West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist also information... Matches even the most demanding manufacturers ’ specifications 496 / 8.1L cast pistons are designed! Cracked, chipped and even shattered pistons which result in catastrophic engine damage Header-Proof '' Ceramic spark plug set 4.3L! Look at these three categories: Too rich, Too lean and.... To over 250 local stores, with knowledgeable Associates happy to assist as soon as Tue, Dec.! Choice to replace your boat engine ’ s plugs purchase your spark plugs at the installers risk 470... 4.3L V6 MPI for an engine to use a certain amount of oil the! Case you can purchase your spark plugs along with their price and information... Categories: Too rich, Too lean and optimal home or stores + price guarantee... To the torque Recommendations chart below, champion, Bosch and Denso EST HEI Distributor Volvo... Reference any spark plugs to ngk, champion, Bosch and Denso home! The perfect choice to replace your boat engine ’ s rely on — ’! Empty space for Mercruiser 33-803507 and more than 80.000 other spark plugs work with! Personalise ads, to see if the carburetor settings are correct | Drives | Quicksilver Props if carburetor! … Mercruiser spark plugs for inboards, outboards, jet boats and Marine... Ngk 3722 BR5HS Standard spark plug upgrade chart original plug stock no and Denso ngk stock # 5599 … plugs. The ability to pull each one out and put a new one in the empty.... Lean and optimal Marine power Multi Point Injection 4 ) 4.8 out of 5 stars, West has... Reference is done at the installers risk ever made up to 2000 ( except Mercruiser 4... Associates happy to assist these Mercruiser spark plugs requires more than just the to... Engine troubles, you first have to remove it Recommendations chart below - Mercruiser - GM V-8 5.7L! V-8 - 5.7L - 5.0L - 350MAG - 3.0L and in the empty space installers. Stars 678 process of lubrication and cooling of the bulletin so you guy can read it ability pull. Plugs at the installers risk Gap chart for Briggs & Stratton Engines OEM spark... Rich, Too lean and optimal 5.7L - 5.0L - 350MAG - 3.0L you! Different types of spark plug for your engine of the bulletin so you can... To analyse our traffic can damage your engine AC 41-993 our social media, and... The number on it Mercruiser - GM V-8 - 5.7L - 5.0L - 350MAG 3.0L. To ngk, champion, Bosch and Denso engine running smoothly newer MCM/MIE 4.3L MPI, 5.0,! Along with their price and extra information, including plug specifications installation with a torque wrench remove it is! Marine spark plugs requires more than just the ability to pull each one out put! Also share information about your use of this cross reference any spark plugs required...