See cross reference chart for Mercruiser 33-803507 and more than 80.000 other spark plugs. 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. Electrical Hardware & Accessories. Here is a copy of the bulletin so you guy can read it. 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. Our Brisk 360-degree Mercruiser spark plug is the perfect choice to replace your boat engine’s plugs. Delivery Information. MERCRUISER SPARK PLUGS. NGK Spark Plug - BPR6EFS - MerCruiser - GM V-8 - 5.7L - 5.0L - 350MAG - 3.0L . Genuine AC Delco Spark Plug Set for 4.3L V6 MPI. Wet, check your serial number. 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. 33-884019001 : Fits 2006 and newer MCM/MIE 4.3L MPI, 5.0 MPI, … 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. RM41-101 X6. iridium upgrade stock no. The bulletin is for ALL engines starting with a SN, Merc doesn't go by Year on this kind of thing, only SN. Motorcycles and Scooters. Motorcycles and Scooters. Choose a type. 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. Get it as soon as Tue, Dec 8. Step One. Mercruiser 33-803507 - Alternative spark plugs. Add Your Tags: Add Tags. We also share information about your use of our site with our advertising and analytics partners. The AC number is MR43T. Product Catalogue - NGK Spark Plug - BPR6EFS - MerCruiser - GM V-8 - 5.7L - 5.0L - 350MAG - 3.0L. Battery Chargers - Inverters - Converters - Isolators. Cross reference guide . We use cookies to personalise ads and to analyse our traffic. Spotlights & Search Lights . Read more. platinum upgrade stock no. £2.63. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. Install the new plug finger tight, and complete the installation with a torque wrench. 3 replacement spark plugs for Mercruiser 33-803507. Spark plugs for the Chevy 350 engine are readily available from any auto parts store. Spark Plug Type & Gap Chart for Briggs & Stratton Engines. NGK 3722 BR5HS Standard Spark Plug #018-3693-2 (0) 0.0 out of 5 stars. NGK stock # 5599 … Replaces Mercruiser: 8M2018369. 00. Spark Plug specification is subject to change without notice. Cross reference guide . Click to enlarge. Availability: 32 available. The Spark Plug Cross references are for general reference only. Electrical Hardware & Accessories. View on Vehicle Open in popup window View Wishlist Added to Wishlist NGK 3722 BR5HS Standard Spark Plug #018-3693-2 $4. To read a spark plug and assess engine troubles, you first have to remove it. Select your vehicle. ATV and Quad. Bulbs & Sockets. Only 13 left in stock - order soon. Spark Plug Cross Reference. 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. Use spaces to separate tags. 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. Passenger and Commercial. It is essential that they are rewired correctly before the engine is started. 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 - … We use cookies to personalise ads, to provide social media features and to analyse our traffic. Select a product . Spark plugs for the 350 engine are on the sides of the engine, outside the cylinder heads. Check for correct application and spec/measurements. 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. 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. Note: If using a torque wrench vs. plug wrench, please refer to the Torque Recommendations chart below. Over time, salt spray, humidity, and UV rays take their toll on many boat systems, even those that are not readily visible. 95. The three critical components to ensuring that the spark plugs have been properly rewired are firing order, cylinder numbering and distributor rotation direction. CAUTION! SparkPlugCrossReference.co.uk will show you where you can purchase your spark plugs along with their price and extra information, including plug specifications. Choose a type. $46.70 $ 46. 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 … 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. NGK Laser Iridium ITR4A-15 is latest MerCruiser recommended spark plug for your MerCruiser 5.0L MPI . Champion your watercraft with Marine spark plugs for inboards, outboards, jet boats and other marine applications. Use the Champion torque recommendation below as a guide for tightening all spark plugs. This site can cross reference any spark plugs to NGK, Champion, Bosch and Denso. Fuses - Fuse Blocks - Butt Connectors. 70. FREE Shipping. Purchase them from a local parts supplier to help save on costs if you wish. 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. Eight spark plugs are required to keep the engine running smoothly. Performance. $9.00 shipping. They're expensive because they're the highest quality and longest lasting OEM quality spark plug made for your engine. Snowmobile. MARINE Spark PLUGs. Ignition Parts. Any use of this cross reference is done at the installers risk. Trust the brand more OEM’s rely on — it’s all part of our heritage. 6 x AC Delco Professional Iridium Tip 41-101, replaces AC 41-993. 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. SKU: RM41-101X6: Product Tags. 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. Docking Lights. 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. Be sure to use the right spark plug. Code151097044330. Spark Plug specification is subject to change without notice. If the carburetor is set incorrectly you face a power loss at least and in the worst case you can damage your engine. MerCruiser Spark Plugs & Wires. It is normal for an engine to use a certain amount of oil in the process of lubrication and cooling of the engine. 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. 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. The stock 496 / 8.1L cast pistons are not designed to withstand the forces of extreme endurance use. Pre-gapped to 0.060" Mercury says they should last roughly 400 hours. Marine. Marine. The Champion number that crosses directly is RV8C. 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. Before going into the spark plug check, let’s look at these three categories in detail. Step-by-Step Instructions Tapered Seat Plugs. Manufacturer part number: … We can organize the carburetor setup into three categories: Too rich, too lean and optimal. Passenger and Commercial. )uses these spark plugs. Performance. Depending on the year of the engine, the spark plugs may stick straight out or set at a 35-degree angle. Mercruiser 496cid Cast Pistons Break. ATV and Quad. 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. Most every GM marine engine ever made up to 2000(except mercruiser 470 4 cyl. 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) For Mercruiser, Volvo Penta, Indmar, PCM, Marine Power Multi Point Injection . The amount of oil consumption is greatly dependent … Select your vehicle. Changing spark plugs requires more than just the ability to pull each one out and put a new one in the empty space. We routinely see engines with cracked, chipped and even shattered pistons which result in catastrophic engine damage. Courtesy - Cabin - Chart Lights. Mercruiser, crusader, chris craft, OMC, Pleasure Craft, volvo all of them from the ealy 1970's till now. Choose a type . These Mercruiser spark plugs work conjointly with stock as well as upgraded ignition. $28.95 $ 28. Navigation Lights. 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. $29.95 $ 29. Shop with confidence - get free shipping to home or stores + price match guarantee! Flashlights. Commercial and Industrial. We also share information about your use of our site with our social media, advertising and analytics partners. Underwater Lights. Simply remove one and look at the number on it. ngk spark plug upgrade chart original plug stock no. The spark plug is a great indicator, to see if the carburetor settings are correct. RPS Spark Plug Wires for Mercruiser or Volvo Penta 3.0 Engines with Delco EST HEI Distributor . Spreader - Masthead - Deck - Floodlights. Other options New and used from $22.75. Shop, read reviews, or ask questions about Spark Plugs at the official West Marine online store. The database consists of 25,360 cross references between plug manufacturers. About Us. Choose a type . These are marine plugs not automotive. "Header-Proof" Ceramic Spark Plugs Ceramic Spark Plug Wires - $340 Snowmobile. FREE Shipping by Amazon. Commercial and Industrial. Availability: Not in stock - will be transferred from factory. Not available in store. "@8" means that they come in boxes of eight. 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 Spark Plug Cross Reference. PUT SOME FIRE ON THE WATER. Pricing Guide: Engine Packages | Drives | Quicksilver Props. MPN BPR6EFS. Additional Information. 99. CHAMPION ® MARINE PERFORMANCE. … ACDelco 41-993 Professional Iridium Spark Plug (Pack of 4) 4.8 out of 5 stars 678. Replaces Volvo Penta: 21513423. Use a spark plug wrench with an extender. Light Bars. $56.00 $ 56. 4.4 out of 5 stars 15. Select a product . 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Home or stores + price match guarantee plug Wires - $ 340 spark plug cross references plug... - 5.7L - 5.0L - 350MAG - 3.0L 400 hours manufacturers ’ specifications s look these. If the carburetor is set incorrectly you face a power loss at least in! Marine spark plugs for the 350 engine are readily available from any auto parts store you face a power at...