MerCruiser Parts
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OPEN BOX OEM Quicksilver Mercury Mercruiser Spark Plug Wire Kit 84-816761Q 8
Mercury Marine / Quicksilver
$80.49 $39.99OPEN BOX / Clearance / New old stock OEM Quicksilver/Mercury Spark Plug Wire Kit 84-816761Q 8 Spark plug set 816761Q8 is for use on in-line, 6-cylinder MerCruiser engines with conventional...- Part Number:
- OPENBOX-84-816761Q 8
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Fits GM in-line 6 cylinder engines with conventional points ignition ('63-'81)
$80.49 $39.99 -
Special Order! See availaility for details
Quicksilver Complete Gearcase for Bravo Three, Three X and Three XR Sterndrives with 1.65 Gear Ratio1656-8M0046735
Mercury Marine / Quicksilver
$6,811.43 $6,334.49Mercury / Quicksilver GC BRAVO III 1656-8M0046735 Upgrade or repair your MerCruiser Bravo Three, Three X or Three XR sterndrive (with 1.65 gear ratio) with a premium replacement Quicksilver...- Part Number:
- MM-8M0046735
- Availability:
- See Special Order Details
$6,811.43 $6,334.49 -
Special Order! See availaility for details
Quicksilver Complete Gearcase for MerCruiser Bravo Three and Three X Sterndrives with 1.36 and 1.50 Gear Ratios 1656-8M0046733
Mercury Marine / Quicksilver
$6,811.43 $6,334.49Mercury / Quicksilver GC BRAVO III 1656-8M0046733 Upgrade or repair your MerCruiser Bravo Three or Three X sterndrive (with 1.36 or 1.50 gear ratio) with a premium replacement Quicksilver gearcase,...- Part Number:
- MM-8M0046733
- Availability:
- See Special Order Details
$6,811.43 $6,334.49 -
On Sale
Quicksilver Plus Series MerCruiser 350 Mag MPI Alpha 300 HP Engine 8m0188295
Mercury Marine / Quicksilver
$18,218.00 $14,995.00Plus Series 350 MPI ALPHA - 8m0188295 Also replaces 8M0136293 ss to 8M0187359- Part Number:
- 714-8M0188295
- Availability:
- Limited Stock - Please call before ordering
- Engine Size:
- Small Block V8
- Horse Power:
- 300
- Drive Type:
- Alpha
$18,218.00 $14,995.00 -
Quicksilver/Mercury Mercruiser Water Shutter Flapper Assembly 807166A2
Mercury Marine / Quicksilver
$100.49 $85.99Exhaust water shutter kit 807166A2 is for use on MerCruiser sterndrive engine Y-pipes with 2.98 in. diameter at the cross pin. See your owner's manual, parts listing or service manual for exact...- Part Number:
- 710-807166A2
- Availability:
- In Stock - Ships same or next business day.
$100.49 $85.99 -
SEI MerCruiser Bravo 3 Lower Unit 2.43 Gear Ratio Outdrive 1656-8866A51 90-128-02DA
SEI Marine
$2,499.99 $2,299.99NEW SEI MerCrusier Bravo 3 outdrive lower unit 2.43 Gear Ratio SE128 Lower 13/24 TOOTH COUNTFits Bravo Three® 2.43 RatioNot a replacement for Bravo X,XR or XZ drives.Rated fo- Part Number:
- SEI-90-128-02DA
- Availability:
- Dropship from SEI Florida - 1-2 business day handling time
$2,499.99 $2,299.99 -
OEM Quicksilver/Mercury U-Joint Ring 35983
Mercury Marine / Quicksilver
$16.69 $13.42OEM MerCruiser U-Joint Ring 35983 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts...- Part Number:
- 710-35983
- Availability:
- In Stock - Ships same or next business day.
$16.69 $13.42
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!