4 Best Mercruiser Part Lookups of 2025
Best Choice1
UANOFCNUanofCn 14358T Exhaust Tube and Water Shutter Kit 4 Inches for MerCruiser Stern Drives 807166A3 44348T Boot and Bellow
Main highlights- This MerCruiser Exhaust Y-pipe Kit with 8 pcs SS316 clamps meets OEM specifications
- Made of CR Rubber, Stainless Steel Clamps, High Hardness and Durable
- Fit many MerCruiser Stern Drives V6 and V8 engines
- 2x Water Shutters / Flappers - # 807166A3
- 2x Upper Bellows - # 32-44348, 32-44348T, 32-44348001, 18-2748
- 2x Lower Bellows - # 32-14358, 32-14358T, 32-14358001, 18-2746
9.7Exceptional
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Value for Money2
PENSERARPENSERAR [Car Parts] Pair of Flappers Water Shutter Assembly for MerCruiser Stern Drive 4.3-8.1L 807166A1 [Replacement]
Main highlights- Solid and durable, long service life.
- Made of quality material, it is firm, corrosion resistant and durable, and has a long service life.
- Made of high quality material, durable and practical to use.
- Easy to install and reliable to use.
- Delicate and exquisite, highly match the equipment.
- 100% brand new and high quality.
9.5Excellent
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3
UANOFCNUanofCn 807166A3 2 PCs Water Exhaust Shutter Kits for MerCruiser Stern Drive 3.0L 3.6L 4.2L Sierra 18-2732
Main highlights- This kit contains 2 Flapper Shutters, 4 Grommets and 2 Shutter Mounts
- The 2 pcs exhaust flapper shutters with 4 pcs grommets
- Replacement OE# MerCruiser Stern Drive 807166A3, Mallory 9-42802, GLM 89170, Sierra 18-2732
- Made of Premium Metal and Rubber, High Hardness and Durable, Best Price OEM quality, Ideal shutter for your selection
- Fit for MerCruiser Stern Drive 3.0L 3.6L 4.2L
- Easy Installation, Guaranteed Timeliness, Safe and Convenient
9.4Excellent
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4
QUICKMARINEQuickMarine 807166A1 Boat Exhaust Water Shutter Kit for MerCruiser 4.3-8.2 L Sterndrive Models Marine Engine
Main highlights- The water shutter assembly fits Mercruiser 262 350 377 454 496 MAG & 4.3L 4.5L 5.0L 5.7L 6.2L 7.4L 8.2L outdrive motors (More Details Please Check The Description Below)
- The exhaust water shutter prevents water from entering the engine through the exhaust system
- Shutter is 2.48 in. diameter at cross pin (hinge pin)
- Replaces Mercruiser 807166A1 and replaces Red Rhino MR-507
- Package contains: 2x exhaust flapper shutters and 4x grommets 807167
9.1Excellent
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