Are you looking for the best 4.3 Mercruiser Exhaust Flapper? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 4.3 Mercruiser Exhaust Flapper.
We Recommended:
- OEM quality aftermarket replacement
- Exact item you will receive is pictured
- Replaces Mercruiser Part Number 807166A1
- Fits many Mercruiser V6 and V8 stern drive models
- Does not fit V6 models with one piece maifold
- FITS for MerCruisers engines 1998 and newer.
- There will be two rectangular holes for the grommets. If your Y-pipe has round holes you need the A3 water shutters. If your Y-pipe changes size a few...
- Replaces Part #: 807166A1.
- The replacement part is made from high quality material and well-tested by the manufacturer.
- Please check carefully the part numbers and compare pictures provided to insure proper fitment.
- Exhaust Water Shutter w/Y Pipe Shutter/Flap Boat Motor for Outboard Engine
- UanofCn high-quality engine parts are designed to meet OEM specifications
- For some model: Mercruiser V6 V8 w/3" Y-Pipe 4.3L 5.0L 5.7L
- Replaces OE#: Mercury Mercruiser Outboard 99370A2 92802, Mallory 9-42801, Sierra 18-2733, GLM 89160
- Order will be shipped within 24 hours
- New Mercruiser Water Shutter Kit for 4.3L V6
- Replaces Part#: 807166A2
- Fits: V6 4.3 One Piece Manifolds Only
- This will only fit in y-pipe that was on the V-6 engines originally equipped with the one-piece exhaust manifolds. Will not fit later model y-pipes...
- Includes Flapper & 2 Grommets
- ☛ These will Not work on V6 engines that came with the one piece manifolds ( use 807166A2 it has a flat tip ) ,or early V8 with the round pin going...
- ☛ Used on many Mercruiser stern drive V8 engines. ( Some V6 that came with the two piece maniflold/elbow )
- ☛ For 1998 and newer engines, there are some 1996 and 1997 models that apply. There will be two rectangular holes for the grommets. If your Y-pipe...
- ☛ If you have ever overheated these tend to get damaged. Sometimes you will find pieces of them in the exhaust when you remove the drive for...
- ☛ Please check pictures and description for more details, and check your part number and our fitment before placing an order.
- Exhaust Water Flapper for Y-Pipe Exhaust Mercuiser
- Replaces Part#: 807166A3 / Sierra 18-2732-9
- Fits Mercruiser: V6 / V8 with 4" Y-Pipe & Round Pin Holes 1982-1996
- Fits into the Y-Pipe on most V6 & V8 models 1982-1996. Prevents water from backing into the manifold. Not for 4.3L Models with 1 piece manifold
- OE quality aftermarket replacement, Exact item pictured
- We ship from the USA, it is fast and guaranteed.
- Replaces 807166A1 Water Shutters / Flappers 32-14358 , 32-14358T , 32-14358001 , 18-2746 Lower Exhaust Bellows , Tube , Hose，Clamp
- Also Replaces 32-44348 , 32-44348T , 32-44348001 , 18-2748 Upper Exhaust Bellows , Tube , Hose，Clamp
- Note: These will not work on V6 engines that came with the one piece manifolds ( use 807166A2 it has a flat tip ) , or early V8 with the round pin...
- 100% Brand New With High Quality.Cooperated with local workshop, quality is guaranteed.
- Cast Iron Exhaust Manifold for Mercruiser 4.3 V6 engines from 1983 to 2002. Replaces MerCruiser part numbers 99745, 99746, 99746A8, 99746A17
- Includes gaskets, plugs, drain elbow, and blue drain plug. Left and right are the same. Does not fit newer dry-joint manifolds (2002 and newer)
- 100% Leak Tested. Uniform wall thickness. Clean exhaust passages. Shot peened for smooth external finish. All mounting surfaces CNC machined to...
- GLM Marine, has catapulted to the forefront in manifold technology by incorporating improvements in design, manufacturing, quality assurance, fault...
- For over 32 years now, GLM has committed itself to producing high quality and cost effective aftermarket marine products. From superior quality...
- Exhaust Flapper/Shutter for Mercruiser Part #: 807166A2
- Fit for Mercruiser V6 4.3L One Piece Manifolds Only
- Package contains 1Flapper and 2 Grommets
- Made of Premium Stainless Steel and CR Rubber, High Hardness and Durable, Best Price OEM quality, Ideal Shutter for your selection
- Order will be shipped within 24 hours
- Ship from USA.Orders will be processed under 24 hours.
- New Replacement exhaust flappers for Mercruiser part number 807166A2. Used on many Mercruiser stern drive V6 engines.
- They keep water from entering the engine through the exhaust and wear out or break overtime. Replaces: Mercruiser 807166A2
- Size(L x W x H): 15.7 x 7.7 x 0.4 cm / 6.18 x 3.03 x 0.16 inch
- 1 Piece Exhaust Y Pipe Water Shutter Flapper
- OEM quality aftermarket replacement
- Exact item you will receive is pictured
- Replaces Mercruiser Part Number 60930 / 27-43809
- New in Package
- 30 Day Exchange Warranty
- Replaces Mercruiser 99746A17 Sierra Marine 18-1951-1 GLM 51220 Barr MC-1-99746 Osco 9745 HGE 9746
- High quality, uniform wall thickness, clean exhaust passages
- Shot peened for smooth external finish
- All mounting surfaces CNC machined to guarantee exacting gasket mating surface
- Leak tested and coated with a baked enamel from the factory
- One new water shudder for Mercruiser with grommets
- 2 required Per Engine
- Replaces Mercury 807166A1
- Will Not work on V6 engines that came with the one piece manifolds
- Kit to convert Mercruiser obsolete one-piece manifolds to common two piece manifolds for 4.3 V6 engines
- Conversion kit for no-longer-available Mercruiser one-piece exhaust manifolds
- Kit includes Two manifolds (left and right are the same) Two risers (left and right are the same) Two aluminum elbows Two upper rubber couplers Two...
- The bellow kit is designed to meet or exceed OEM specifications. The bellow kit will come exactly as shown.
- 2x Watter Shutters / Flappers - # 807166A3
- 2x Lower Exhaust Bellows - # 32-14358 , 32-14358T , 32-14358001 , 18-2746
- 2x Upper Exhaust Bellows - # 32-44348 , 32-44348T , 32-44348001 , 18-2748
- For 1982-1996 engines, there are some 1996 and 1997 models that apply. Fits the oval 4" Y-pipes with round pin holes. If you have two rectangular...
- The bellow kit is designed to meet or exceed OEM specifications. The bellow kit will come exactly as shown.
- 2x Watter Shutters / Flappers - # 807166A1
- 2x Lower Exhaust Bellows - # 32-14358 , 32-14358T , 32-14358001 , 18-2746
- 2x Upper Exhaust Bellows - # 32-44348 , 32-44348T , 32-44348001 , 18-2748
- Check Compatibility List Below: (1996-1999 V6 owners PLEASE LOOK AT PICTURE #2)
- ☛ These will Not work on V6 engines that came with the one piece manifolds ( use 807166A2 it has a flat tip ) ,or early V8 with the round pin going...
- ☛ Used on many Mercruiser stern drive V8 engines. ( Some V6 that came with the two piece maniflold/elbow )
- ☛ For 1998 and newer engines, there are some 1996 and 1997 models that apply. There will be two rectangular holes for the grommets. If your Y-pipe...
- ☛ If you have ever overheated these tend to get damaged. Sometimes you will find pieces of them in the exhaust when you remove the drive for...
- ☛ Please check pictures and description for more details, and check your part number and our fitment before placing an order.
- New Pair of Replacement Water Shutters,1 pair Required Per Engine.
- Replaces Part #: 807166A3, 18-2732-9, 143481 , 14348A1 , 14348A2
- For 1982-1998 Mercruiser 5.0L 5.7L V8 & 4.3L V6
- For 1982 to 1996 engines, there are some 1996 and 1997 models that apply. . Fits oval 4" Y-pipes with round pin holes. If you have two rectangular...
- If you have ever overheated these tend to get damaged. Sometimes you will find pieces of them in the exhaust when you remove the drive for servicing....
- Restricted flow gasket set for Mercruiser 4.3L V6 Dry-Joint manifolds
- Replaces part number 27-864850A02, 27-864850A1, 18-0722
- This is the Restricted style (one water passage open, plus weep hole)
- Meets OEM specifications
- The bellow kit will come exactly as shown.
- For 1982-1996 engines, there are some 1996 and 1997 models that apply. Fits the oval 4" Y-pipes with round pin holes. If you have two rectangular...
- 2x Watter Shutters / Flappers - # 807166A3
- 2x Lower Bellows - # 32-14358 , 32-14358T , 32-14358001 , 18-2746
- 2x Upper Bellows - # 32-44348 , 32-44348T , 32-44348001 , 18-2748
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- Specifications: How powerful they are can be measured.
- Product Value: This simply is how much bang for the buck you get from your 4.3 Mercruiser Exhaust Flapper.
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FAQ:
Q: What do replacement flaps look like for exhaust tips?
A: These are the most common replacement flaps found in trumpet style exhaust tips. Each flap includes new mounting hardware. Bolt hole center to center is 7/8″. Sold each. These kits include a replacement flap, (2) two screws and (2) two flanges (front & back) to replace old or damaged flaps in Hardin Marine 4″ exhaust tips.
Q: What are the flaps on a 316L exhaust?
A: These high polished 316L stainless steel external flaps are designed to slides over an existing 4″ straight cut tip and provide the security of a secondary or even primary exhaust flapper. Sold in pairs. Linkage replacement kit that repairs or replaces components that connect the solenoids (#270-10871) to the shafts.
Q: What is a flapper on a boat exhaust?
A: This new flapper represents the ultimate in durability and finishing touch to your boats exhaust system. These units are manufactured from 316L Stainless Steel and a silicon seal *NOTE they require a minimum of 1-1/2″ of exhaust tip for adequate clamping and attachment. Slicone is rated to 250C.
Q: Why choose Hardin marine exhaust flappers?
A: Due to the popularity of these Hardin Marine handcrafted beautifully polished stainless steel exhaust flappers they have created the option for larger versions. The flappers feature and O-ring seal to eliminate the possibility of any noise from the flapper during normal operation.