3855182 3858941 852956A1 Aftermarket Mercruiser Volvo Penta Fuel Injector 3858941 For 4.3, 5.7 And More | Sawley’s Select Marine Parts

🔧 Product Description

Sawley's Select Marine Parts Aftermarket Volvo Penta / MerCruiser TBI Fuel Injector - Part Numbers: 3858941 / 3855182 / 852956A1

A new aftermarket replacement throttle body fuel injector for Volvo Penta and MerCruiser GM-based petrol marine engines. This injector is commonly used on 4.3L, 5.0L and 5.7L TBI fuel systems where Volvo Penta 3858941 / 3855182 or MerCruiser 852956A1 is specified.

⚙️ Key Features

• Sawley's Select Marine Parts aftermarket TBI fuel injector

• Replaces Volvo Penta 3858941 and 3855182

• Replaces MerCruiser 852956A1

• Suitable for selected GM 4.3L, 5.0L and 5.7L marine TBI systems

• Cross-references with Sierra 18-7685 and Mallory 9-33106

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 3858941 Volvo Penta TBI injector reference

• 3855182 related Volvo Penta TBI injector reference

• 3857398 related Volvo Penta TBI injector reference

• 852956A1 MerCruiser / Mercury Marine TBI injector reference

• 852956001 formatted MerCruiser reference

• 852956 base MerCruiser reference

OEM / Related Numbers:

• 3858941

• 3855182

• 3857398

• 852956A1

• 852956001

• 852956

• 852957 related injector seal kit

• 17104288 related GM TBI injector reference

• 17113080 related GM TBI injector reference

• 17113081 related GM TBI injector reference

• Throttle body injector

• TBI injector

• Marine petrol fuel injector

Aftermarket / Verified Equivalents:

• Recmar: REC3858941

• Sierra: 18-7685

• Mallory: 9-33106

• FiveO Motorsport: 531-14117 / 531-14103 style TBI injector reference

🚤 Compatibility

Commonly used on:

• Volvo Penta GM petrol TBI fuel systems

• MerCruiser GM petrol TBI fuel systems

Typically suits:

• Engine models:

• Volvo Penta 4.3L GM V6 TBI engines using 3855182 / 3858941

• Volvo Penta 4.3GL TBI applications where 3858941 is specified

• Volvo Penta 4.3GS TBI applications where 3858941 is specified

• Volvo Penta 4.3Gi TBI applications where 3858941 is specified

• Volvo Penta 4.3GXi-A listed TBI injector applications

• Volvo Penta 5.0L GM V8 TBI applications using 3855182 / 3858941

• Volvo Penta 5.7L GM V8 TBI applications using 3855182 / 3858941

• MerCruiser 4.3L GM V6 TBI engines where 852956A1 is specified

• MerCruiser MCM GM V6 TBI applications where 852956A1 is specified

• MerCruiser 5.0L GM V8 / 305 CID TBI engines where 852956A1 is specified

• MerCruiser 5.7L GM V8 / 350 CID TBI engines where 852956A1 is specified

• HP Range: engine-variant dependent

• Engine Type: Volvo Penta / MerCruiser GM petrol throttle body injection system

• Year Range: commonly 1994 - 2001 for listed GM marine TBI replacement data; final fitment is serial-number controlled

• Serial Note: Match by engine serial number, throttle body assembly, injector colour / flow rating, electrical connector and original injector number before installation.

🔌 Function

The TBI fuel injector sprays metered fuel into the throttle body, allowing the ECM to control mixture during starting, idle, acceleration and cruising load.

Common signs of failure:

• Hard starting

• Rough or unstable idle

• Engine stalls when throttle is opened

• Fuel dripping from injector

• Black smoke or rich running

• Lean stumble under load

• Poor fuel economy

• Uneven spray pattern during throttle body inspection

📦 Condition

• Aftermarket replacement part

• Brand new

• Supplied in original or equivalent packaging