Collection: Engine Parts & Service
Keep your marine engine running at peak performance with quality engine parts and service components. Our inventory covers fuel pumps, tanks, fuel hose and fittings, ignition components, sensors, alternators, starters, solenoids, exhaust hose, flush kits, and tilt/trim motors for inboard, outboard, and sterndrive engines.
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Regitar USA Distributor Cap f/Ford GM V8 Engines [RME002]
Vendor:Regitar U.S.A.Regular price $23Regular price$27Sale price $23Sale -
Regitar USA Camshaft Position Sensor f/Volvo Penta Engines [RMX001]
Vendor:Regitar U.S.A.Regular price $88Regular price$135Sale price $88Sale -
Regitar USA Crankshaft Position Sensor f/Volvo Penta 4.3, 5.0 5.7L [RMD001]
Vendor:Regitar U.S.A.Regular price $92Regular price$126Sale price $92Sale -
Regitar USA Fuel Pump Assembly f/Mercury Mercruiser Engines w/High-Pressure Pump [RFP007]
Vendor:Regitar U.S.A.Regular price $112Regular price$152Sale price $112Sale -
STA-BIL 360 Marine - 1 Gallon *Case of 4* [22250CASE]
Vendor:STA-BILRegular price $282Regular price$600Sale price $282Sale -
Attwood Chrysler/Suzuki Tank Fitting - 1/4" NPT Thread [14509-6]
Vendor:Attwood MarineRegular price $7Regular price$8Sale price $7Sale -
Attwood Yamaha Tank Fitting - 1/4" NPT Thread [8897-6]
Vendor:Attwood MarineRegular price $9Regular price$10Sale price $9Sale -
Attwood Universal Sprayless Connector - Hose Female (5/16"-3/8") [8838HF6]
Vendor:Attwood MarineRegular price $11Regular price$13Sale price $11Sale -
Attwood Suzuki 3/8" Barb Female Hose Fitting - Under 75HP [88FTS014-6]
Vendor:Attwood MarineRegular price $14Regular price$16Sale price $14Sale -
ARCO Marine Top Mount Inboard Starter w/Gear Reduction - Counter Clockwise Rotation [30462]
Vendor:ARCO MarineRegular price $273Regular price$350Sale price $273Sale -
Attwood Universal Brass Fuel Hose Fitting - 1/4" NPT x 3/8" Barb [14540-6]
Vendor:Attwood MarineRegular price $8Regular price$0Sale price $8 -
Trident Marine 1-1/2" Extra-Flex Corrugated Marine Wet Exhaust Hose - Sold by the Foot [252F-1126-FT]
Vendor:Trident MarineRegular price $21Regular price$22Sale price $21Sale -
Balmar Universal Adjustment Arm - Offset [UAA2]
Vendor:BalmarRegular price $58Regular price$65Sale price $58Sale -
ARCO Marine Zeus A225S J-180 3.15" Alternator w/Terminal Block [4010]
Vendor:ARCO MarineRegular price $768Regular price$875Sale price $768Sale -
Attwood Fuel Tank Strap Set - 72" Long f/12 Gallon Tanks [11512-3]
Vendor:Attwood MarineRegular price $13Regular price$15Sale price $13Sale -
BoatBuckle Gas Tank Battery Box Kwik Lok Strap 1" x 4' [F05343]
Vendor:BoatBuckleRegular price $14Regular price$0Sale price $14 -
Balmar Alternator 100 AMP 12V 3.15" Dual Foot Saddle K6 Pulley w/Isolated Ground [60-100-K6]
Vendor:BalmarRegular price $733Regular price$837Sale price $733Sale -
ARCO Marine Replacement Alternator f/Mercury Engines - 75-115 HP [20852]
Vendor:ARCO MarineRegular price $281Regular price$383Sale price $281Sale -
Trident Marine 3/4" x 50 Coil Flex Marine Wet Exhaust Water Hose - Black [100-0346]
Vendor:Trident MarineRegular price $377Regular price$577Sale price $377Sale -
![Trident Marine ID 45 Degree Blue Silicone Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [240V10000-S/S]](//trestlethorn.com/cdn/shop/files/107954BXL.jpg?v=1741914558&width=533)
Trident Marine ID 45 Degree Blue Silicone Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [240V10000-S/S]
Vendor:Trident MarineRegular price $607Regular price$944Sale price $607Sale -
Flushmaster Portable Storage Bag [SM-FMBAG1]
Vendor:FlushmasterRegular price $20Regular price$0Sale price $20 -
ARCO Marine Zeus A275L Transit Alternator w/Terminal Block [4032]
Vendor:ARCO MarineRegular price $987Regular price$1,124Sale price $987Sale -
ARCO Marine Premium Replacement Ignition Coil f/Mercruiser Inboard Engines [IG013]
Vendor:ARCO MarineRegular price $39Regular price$53Sale price $39Sale -
ARCO Marine Chrysler/Force Outboard Starter [5393]
Vendor:ARCO MarineRegular price $183Regular price$226Sale price $183Sale
![Regitar USA Distributor Cap f/Ford GM V8 Engines [RME002]](http://trestlethorn.com/cdn/shop/files/107482BXL.jpg?v=1742337756&width=533)
![Regitar USA Camshaft Position Sensor f/Volvo Penta Engines [RMX001]](http://trestlethorn.com/cdn/shop/files/107652BXL.jpg?v=1742338850&width=533)
![Regitar USA Crankshaft Position Sensor f/Volvo Penta 4.3, 5.0 5.7L [RMD001]](http://trestlethorn.com/cdn/shop/files/107479BXL.jpg?v=1742337719&width=533)
![Regitar USA Fuel Pump Assembly f/Mercury Mercruiser Engines w/High-Pressure Pump [RFP007]](http://trestlethorn.com/cdn/shop/files/107713BXL.jpg?v=1742339016&width=533)
![ARCO Marine Top Mount Inboard Starter w/Gear Reduction - Counter Clockwise Rotation [30462]](http://trestlethorn.com/cdn/shop/files/97190BXL.jpg?v=1697724041&width=533)
![Trident Marine 1-1/2" Extra-Flex Corrugated Marine Wet Exhaust Hose - Sold by the Foot [252F-1126-FT]](http://trestlethorn.com/cdn/shop/files/107180BXL.jpg?v=1737063269&width=533)
![Trident Marine ID 45 Degree Blue Silicone Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [240V10000-S/S]](http://trestlethorn.com/cdn/shop/files/107954BXL.jpg?v=1741914558&width=533)
![Flushmaster Portable Storage Bag [SM-FMBAG1]](http://trestlethorn.com/cdn/shop/files/108598BXL.jpg?v=1745888378&width=533)
![ARCO Marine Zeus A275L Transit Alternator w/Terminal Block [4032]](http://trestlethorn.com/cdn/shop/files/108403BXL.jpg?v=1744359727&width=533)
![ARCO Marine Chrysler/Force Outboard Starter [5393]](http://trestlethorn.com/cdn/shop/files/97192BXL.jpg?v=1697724069&width=533)