MerCruiser Parts
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OEM MerCruiser 454 / 7.4 Manifold mounting bolt 10-37612
Mercury Marine / Quicksilver
$2.99 $2.89Genuine OEM MerCruiser exhaust manifold mounting bolt, part #10-37612. Factory hardware built to survive the heat-and-vibration cycles of a marine exhaust manifold, where a hardware-store bolt will corrode and let go.Fits: MerCruiser big block 454 / 7.4L...- Part Number:
- 710-10-37612
- Availability:
- In Stock - Ships same or next business day.
$2.99 $2.89 -
OEM V6 & V8 Small Block manifold mounting bolt 10-53728 8M0214937
Mercury Marine / Quicksilver
$5.10 $4.99Genuine OEM MerCruiser center-riser exhaust manifold mounting bolt, part #10-53728 (8M0214937). The factory-correct fastener for center-riser style manifolds, rated for the marine exhaust environment.Fits: MerCruiser V6 and small block V8, 5.0/305, 6...- Part Number:
- 710-10-8M0214937
- Availability:
- In Stock - Ships same or next business day.
- Fitment:
- .375-16 x 4.75
$5.10 $4.99 -
OEM MerCruiser 4" Exhaust Riser elbow mounting bolt 10-43749
Mercury Marine / Quicksilver
$8.00 $6.99Genuine OEM MerCruiser exhaust riser elbow mounting bolt, part #10-43749, for engines using the 4" riser elbow.Fits: MerCruiser 4.3, small block, and big block engines with 4" riser elbowsDoes NOT fit: dry-joint exhaust (2002+), or...- Part Number:
- 710-10-43749
- Availability:
- In Stock - Ships same or next business day.
$8.00 $6.99 -
OEM MerCruiser Full Flow Riser Elbow Gasket 27-863726
Mercury Marine / Quicksilver
$21.59 $18.99Genuine OEM MerCruiser exhaust riser elbow gasket, part #27-863726. Seals between the exhaust manifold and riser elbow. This is the full-flow, 4-slot “completely open” gasket. The wrong gasket here can cook your exhaust or flood a cylinder...- Part Number:
- 710-27-863726
- Availability:
- In Stock - Ships same or next business day.
$21.59 $18.99 -
On Sale
OEM MerCruiser 305/350 Exhaust Manifold & Riser Kit - 5.7 / 5.0 / 6.2 E-Coated (1986-2002) 860246Q11 807988Q03
Mercury Marine / Quicksilver
$1,350.95 $1,069.95Genuine OEM MerCruiser exhaust manifold & riser kit for center-riser small block V8 sterndrive and inboard engines, 5.0/305, 5.7/350, and 6.2/377, approx. 1986–2002. Everything to redo both sides of your exhaust in one box.Includes: 2×...- Part Number:
- K-OEM350
- Availability:
- In Stock - Ships same or next business day.
- Coating:
- E-Coated
- Engine Size:
- Small V8 (5.0, 5.7, 6.2)
- Generation:
- Wet Joint (86-2002)
$1,350.95 $1,069.95 -
OEM Quicksilver MerCruiser Bellows Adhesive- 1.5 Oz Tube 92-86166Q1
Mercury Marine / Quicksilver
$14.99 $12.99Genuine OEM Quicksilver bellows adhesive, part #92-86166Q1, 1.5 oz tube. The adhesive Mercury specifies for installing bellows on MerCruiser Alpha and Bravo drives. Use the right glue and your bellows job lasts.Fast-drying, high-strength synthetic rubber...- Part Number:
- 710-92-86166Q1
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 1.5oz
$14.99 $12.99 -
OEM MerCruiser Restricted Riser Elbow to Manifold Gasket 27-863724
Mercury Marine / Quicksilver
$18.29 $13.99Genuine OEM MerCruiser riser elbow gasket, part #27-863724. The factory seal between manifold and riser elbow. This is the restricted (standard-cooling) restrictor gasket, the partially-open version, not the full-flow.Fits GM V6 and V8 MerCruiser stern...- Part Number:
- 710-27-863724
- Availability:
- In Stock - Ships same or next business day.
$18.29 $13.99 -
OEM Quicksilver Full Synthetic PWC 2-Stroke Marine Engine Oil 8M0058907 8M0058908
Mercury Marine / Quicksilver
$19.99 $15.99Genuine Quicksilver full-synthetic two-stroke oil for PWC and sport boats, #8M0058907 / 8M0058908. Engineered for high-RPM personal watercraft, it protects against ring stick and exhaust power-valve deposits that wreck a hard-run two-stroke...- Part Number:
- NW-Q2SFSPWC
- Availability:
- In Stock - Ships same or next business day.
$19.99 $15.99 -
OEM Mercury Mercruiser High-Performance SAE90 Gear Lube 92-858064K01 92-858065K01 92-8M0222063 92-8M0222071
Mercury Marine / Quicksilver
$18.99 $14.99Genuine OEM Mercury High-Performance SAE 90 gear lube. The lubricant Mercury engineers for sterndrive and outboard lower units. Clean, consistent protection is what keeps gears and bearings alive season after season.Extensively tested for protection...- Part Number:
- NW-MGSAE90HP
- Availability:
- In Stock - Ships same or next business day.
- Grade:
- SAE90
$18.99 $14.99 -
OEM MerCruiser 4 Cylinder V6 V8 Mag MPI Starter Motor 50-863007A1 (Replaces 50-806964A3 & 50-806964A4)
Mercury Marine / Quicksilver
$316.99 $271.49Genuine OEM MerCruiser starter motor, #50-863007A1 (replaces 50-806964A3 & 50-806964A4). The factory starter for most late-model Chevy/GM marine engines using the 14" flywheel.3.0L / 4-cylinder (1999 and newer MCM 3.0L)4.3L V6 (mid-1980s to...- Part Number:
- 710-50-863007A1
- Availability:
- In Stock - Ships same or next business day.
$316.99 $271.49 -
OEM MerCruiser Block off riser elbow Gasket 27-8637251
Mercury Marine / Quicksilver
$19.69 $13.99Genuine OEM MerCruiser riser elbow gasket, #27-8637251. Seals between the exhaust manifold and riser. This is the completely blocked-off gasket, for closed-cooling (fresh-water-cooled) engines only. The wrong gasket here can cook your exhaust or push...- Part Number:
- 710-27-8637251
- Availability:
- In Stock - Ships same or next business day.
$19.69 $13.99 -
OEM Mercury Marine MerCruiser Oil Filter V6 V8 35-866340K01
Mercury Marine / Quicksilver
$15.70 $13.49Genuine OEM Mercury MerCruiser oil filter, #35-866340K01. Built specifically for the marine environment, not a borrowed automotive filter.Filtration screens particles smaller than 1/1000th of an inch, keeping your oil cleaner longerHigh-efficiency design...- Part Number:
- 710-35-866340K01
- Availability:
- In Stock - Ships same or next business day.
$15.70 $13.49 -
OEM Quicksilver Mercrusier Mercury Exhaust Water Flapper Shutter Assembly 807166A1
Mercury Marine / Quicksilver
$100.99 $86.49Genuine OEM Quicksilver MerCruiser exhaust water shutter (flapper), #807166A1. This flapper acts as a check valve in your sterndrive exhaust, keeping following seas and back-wash out of the exhaust system and engine when you’re shut down or at low...- Part Number:
- 710-807166A1
- Availability:
- In Stock - Ships same or next business day.
$100.99 $86.49 -
OEM MerCruiser 5.0/5.7/6.2 350 Exhaust Manifold 860246Q11 Replaces 860246A10 860246a15 860246-c
Mercury Marine / Quicksilver
$408.99 $335.99Genuine OEM MerCruiser exhaust manifold, #860246Q11 (wet-joint). Fits the port or starboard side of V8 MerCruiser sterndrive and inboard engines made by GM, 305, 350, and 377 cid, model years 1983–2002.Sold individually, gasket includedFor...- Part Number:
- 710-860246Q11
- Availability:
- In Stock - Ships same or next business day.
$408.99 $335.99 -
OEM Factory Quicksilver MerCruiser Trim Pump & Starter Solenoid / Relay 89-96158T 8M0185622
Mercury Marine / Quicksilver
$41.95 $35.49Genuine OEM Quicksilver MerCruiser solenoid / relay, #89-96158T (8M0185622). Does double duty across the MerCruiser line.Used as the starter solenoid on most MerCruiser enginesMerCruiser trim pumps with plastic reservoirs use two of theseSold each, order...- Part Number:
- 710-8M0185622
- Availability:
- In Stock - Ships same or next business day.
$41.95 $35.49 -
OEM MerCruiser 496 Exhaust Riser Gasket 27-862356
Mercury Marine / Quicksilver
$13.60 $10.99Genuine OEM MerCruiser exhaust riser gasket, #27-862356. The factory seal between the riser and manifold on 496 Magnum and 8.1S MerCruiser sterndrive and inboard engines.Check your owner’s or service manual for the exact application, or call...- Part Number:
- 710-27-862356
- Availability:
- In Stock - Ships same or next business day.
$13.60 $10.99 -
OEM MerCruiser 7.4 / 454 / 502 Exhaust Manifold and Riser kit 807078T08 807988Q03
Mercury Marine / Quicksilver
$1,332.96 $1,174.99Genuine OEM MerCruiser big block exhaust manifold & riser kit for 454 and 502 center-riser engines with 4" risers, approx. 1983–2002. Redo both sides of your big block exhaust in one kit.2× manifold #807078T08 (replaces 807078T10),...- Part Number:
- K-OEM454
- Availability:
- In Stock - Ships same or next business day.
- Coating:
- E-Coated
- Engine Size:
- Big Block V8 (454 and 502)
- Generation:
- Wet Joint (86-2002)
$1,332.96 $1,174.99 -
OEM MerCruiser Bravo Power Trim Cylinder Pin Bushing 23-807073
Mercury Marine / Quicksilver
$10.99 $8.99Genuine OEM MerCruiser Bravo power-trim cylinder pin bushing, #23-807073. The factory bushing for the trim cylinder on Bravo One, II, III, XR and XZ sterndrives.When you replace the bushing, inspect the pin threads and cap for wear or damage and replace...- Part Number:
- 710-23-807073
- Availability:
- In Stock - Ships same or next business day.
$10.99 $8.99 -
Hill Marine MerCruiser Stainless Steel Gimbal Housing Upper Steering Shaft Pin (Bravo / Alpha) Replaces 98230a1
Hill Marine/Signature
$189.99 $188.99Hill Marine “Signature” stainless steel gimbal housing upper steering shaft pin for MerCruiser Alpha Gen 1, Gen 2, and Bravo 1/2/3. Replaces OEM #98230A1. Made in the USA.Machined from solid 17-4 stainless, then heat-treated to optimum...- Part Number:
- HM-BD-SSSS
- Availability:
- In Stock - Ships from California, 1- 2 business days handling time
$189.99 $188.99 -
OEM MerCruiser V6 V8 DRY JOINT Restricted riser elbow Gasket 27-864850a02
Mercury Marine / Quicksilver
$67.99 $57.99Genuine OEM MerCruiser riser elbow gasket, #27-864850A02. For 2002 and newer V6 and V8 MerCruiser sterndrive and inboard engines with dry-joint exhaust manifolds. This is the restrictor style.Dry-joint vs. wet-joint and restricted vs. full-flow all...- Part Number:
- 710-27-864850A02
- Availability:
- In Stock - Ships same or next business day.
$67.99 $57.99
MerCruiser I/O & Onboard
When it comes to boat engines, the name MerCruiser stands out as one of the finest and most respected in the industry. Unlike competitors that adapt automobile engines for marine use, MerCruiser inboard and outboard engines are designed from the ground up specifically for boats—ensuring no compromise in design or construction. At PowerBoatSupply.com, we help customers find any MerCruiser part they need to get the most out of their boating experience.
Inboard and Outboard MerCruiser Engines
MerCruiser offers inboard and outboard engines for nearly every type of recreational boat. At PowerBoatSupply.com, we support customers who own or service MerCruiser engines by providing OEM-certified parts. Whether you need a new transom assembly or parts for your MerCruiser exhaust, we supply the replacement components you need. Looking for MerCruiser repower engines? We carry a full range of options to help you find the perfect new powerplant for your boat.
MerCruiser Inboard & Outboard Engine Parts
Our comprehensive inventory of MerCruiser engine parts ensures you’ll always find the components and accessories required for your boat’s inboard or outboard motor. From oil and filters to anodes, we have everything to keep your engine performing at its best. Our full selection of outdrive parts and tools are OEM-certified, so you can always count on compatibility and reliability.
Your Trusted Dealer for MerCruiser Engines and Parts
While many websites and stores sell boat parts, few can match the experience and customer satisfaction record of PowerBoatSupply.com. For over forty years, we’ve provided inboard and outboard MerCruiser engines and parts both online and in-store, supporting professional mechanics and DIY boaters alike. Whatever you need, our expert staff is ready to answer questions and guide you to the right solutions—so don’t hesitate to reach out today!