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4pcs Manifold&Riser Kit 44354 860246 Fit for MerCruiser Wet Joint V6 V8 Early 80s-02 05453974
GT-05453974
7 In stock
$1,439.36
$1,655.26
This complete cast iron exhaust manifold riser kit is premium aftermarket replacement compatible with MerCruiser wet joint marine engines. The riser adopts precisely positioned water jackets to enable smooth water flow and efficient engine cooling. Constructed with coated high-strength cast iron, the assembly delivers outstanding wear resistance, vibration resistance and anti-corrosion performance,...
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This complete cast iron exhaust manifold riser kit is premium aftermarket replacement compatible with MerCruiser wet joint marine engines. The riser adopts precisely positioned water jackets to enable smooth water flow and efficient engine cooling. Constructed with coated high-strength cast iron, the assembly delivers outstanding wear resistance, vibration resistance and anti-corrosion performance, working reliably in freshwater and saltwater.
Aged, cracked or deformed exhaust manifolds and risers may leak or break under long-term mechanical stress, creating potential safety risks. This full replacement kit optimizes exhaust circulation, improves engine power output and lowers fuel consumption for consistent marine engine operation.
This is wet joint style assembly. Not compatible with post-2002 dry joint engines.
This is wet joint style assembly. Not compatible with post-2002 dry joint engines.
?Specification
Type: Manifold & Riser Kit
Color: As Pics Shown
Material: Cast Iron
Hose Compatibility: Fits 4" hose
Fitment: Direct Replacement
?OEM Part Number
Manifolds: 87114, 87114A8, 87114A19, 87114A30, 860246, 860246A10, 860246A15, 860246A3, 860246A7, 860246A9, 860336A2, 860246Q11, 9-40507, 18-1953-2
Risers: 44354, 44354A3, 44354A9, 44354A10, 44354A13, 807914, 807988, 807988A2, 807988Q03, 807988C, 807988-C
Aftermarket Equivalent Part Numbers
Replacement for Osco Motors: 4354
Replacement for Barr Marine: MC-20-44354, MC2044354
Replacement for Sierra Marine: 18-1976-1, 1819761
Replacement for HGE: 4354, 4354-A, 4354A
Replacement for Aqua Power: 5706
Replacement for GLM Products: 51140
?Fitment
Replacement for units equipped with 4-inch outlet risers, compatible with MerCruiser Wet Joint V6 & V8 marine engines:
- V6: 1983–2002 MerCruiser 175–205 GM 4.3L (229/262 CID)
- Small Block V8: Early 1980’s–2002 MCM/MIE GM 5.0L(305CID), 5.7L(350CID), 6.2L(377CID) (200–320HP)
- Big Block V8: 1981–2002 MerCruiser 330–370 GM 7.4L/8.2L (454/502 CID)
❗Important Notice
This is WET JOINT style kit. Does NOT fit post-2002 DRY JOINT manifolds and risers.
2002 is a transition split year. Please double-check your original riser is wet joint type before purchase.
?Features
①Full Complete OEM Replacement Kit: Comes with cast iron riser elbows, matched gaskets and installation bolts, engineered to OEM standards, fits wet joint systems.
②Corrosion-Resistant Premium Cast Iron Build: High-strength cast iron with protective outer coating effectively resists rust and degradation in both freshwater and saltwater marine environments for extended service life.
③Optimized Flow & Improved Engine Efficiency: Superior cast iron structure enhances exhaust circulation, lifting engine power output while cutting fuel consumption for better overall marine engine performance.
④Outstanding Heat & Vibration Resistance: Tough cast iron material withstands extreme engine heat and running vibration, lowering risks of manifold cracks, gasket leaks and blowouts during operation.
⑤Wide Compatibility: Specially replacement for MerCruiser V6 & Small/Big Block V8 wet joint engines, not compatible with post-2002 dry joint riser models, ideal for cruising, fishing and water sport boats.
③Optimized Flow & Improved Engine Efficiency: Superior cast iron structure enhances exhaust circulation, lifting engine power output while cutting fuel consumption for better overall marine engine performance.
④Outstanding Heat & Vibration Resistance: Tough cast iron material withstands extreme engine heat and running vibration, lowering risks of manifold cracks, gasket leaks and blowouts during operation.
⑤Wide Compatibility: Specially replacement for MerCruiser V6 & Small/Big Block V8 wet joint engines, not compatible with post-2002 dry joint riser models, ideal for cruising, fishing and water sport boats.
?Package Included
4 Pieces Manifolds & Risers Kit
Accessories As Pics Shown