3856125 3856126 3853198 Volvo Oil Pump Assembly | Genuine Used Part

🔧 Product Description

Genuine Volvo Penta Vortec Oil Pump, Strainer and Drive Shaft Assembly - Part Numbers: 3856125, 3856126 & 3853198

A genuine used Volvo Penta engine-oil pump assembly for selected GM Vortec V6 and small-block V8 petrol marine engines.

The assembly combines oil pump 3856125, pickup strainer 3856126 and pump drive shaft 3853198. The pump draws oil from the sump, the strainer prevents large debris entering the pump, and the shaft transfers rotation from the engine drive system.

⚙️ Key Features

• Genuine used Volvo Penta oil-pump assembly
• Oil pump part number 3856125
• Pickup strainer part number 3856126
• Drive shaft part number 3853198
• Shared GM Vortec marine-engine design
• Supplied as the pictured assembly

🚤 Compatibility

Commonly used on

• Volvo Penta GM Vortec petrol engines
• MerCruiser and OMC marine engines using the equivalent GM pump

Typically suits

• Volvo Penta 4.3Gi and 4.3GXi V6 model groups
• Volvo Penta 5.0Gi, 5.0GXi and 5.0GXiE model groups
• Volvo Penta 5.7Gi, 5.7Gi-300, 5.7GXi and 5.7GXiE model groups
• Volvo Penta 5.7OSi and 5.7OSXi model groups
• MerCruiser 4.3L V6 and 5.0L / 5.7L / 6.2L small-block V8 Vortec applications using 809907002
• Engine Type: GM Vortec V6 or small-block V8 petrol marine engine
• Production Range: Primarily 1996 and newer Vortec-generation engines
• Fitment Note: Verify pump, pickup depth, sump and shaft before installation

🔌 Function

The pump circulates engine oil under pressure, the strainer protects the pump inlet, and the drive shaft transfers engine rotation to the pump.

⚠️ Common Signs of Failure

• Low or fluctuating oil pressure
• Pump gears or housing are scored
• Pickup strainer is restricted by sludge
• Drive shaft is worn or twisted
• Engine develops bearing or valve-train noise
• Pump loses prime after service
• Excessive clearance reduces oil delivery

🔄 Supersession & Cross Reference

OEM Supersession Chain

• MerCruiser 809907002 is the later cross-brand service pump
• MerCruiser 809907, 8099071 and 17617 are earlier related references
• GM 3732796 is the verified automotive / base-engine cross reference
• The listed Volvo numbers identify separate assembly components rather than a simple supersession chain

OEM / Related Numbers

• 3856125 oil pump
• 3856126 oil strainer
• 3853198 oil-pump shaft
• MerCruiser 809907002
• MerCruiser 809907
• MerCruiser 8099071
• MerCruiser 17617
• GM 3732796
• 3853199 related shaft retainer
• 3855972 related retaining pin
• 3857778 related sump

Aftermarket / Verified Equivalents

• Quicksilver / MerCruiser: 809907002 - direct cross-brand oil pump
• Recmar / aftermarket: RM809907002 - Vortec V6/V8 oil pump
• Marine aftermarket pumps sold under 809907002 for GM 4.3L, 5.0L, 5.7L and 6.2L Vortec engines
• Strainer and drive shaft must still match the original sump depth and engine configuration

📦 Condition

• Supplied with the pump, strainer and shaft where shown
• Prime and inspect the pump before installation
• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated