Extend your Volvo Penta engine’s life with this premium OEM Hose, pump to thermostat hsg. Factory-engineered for durability in harsh marine conditions that destroy inferior aftermarket parts.

Engineered specifically for Volvo Penta marine engines, this pump assembly ensures reliable operation across all engine conditions. Part number 3858237 is manufactured to exact Volvo Penta factory specifications for precision installation and optimal performance. Constructed from premium marine-grade materials engineered to withstand the harsh demands of both fresh and saltwater environments.

Factory parts exist for a reason — they work. Part 3858237 undergoes rigorous Volvo Penta quality testing that aftermarket manufacturers skip. The result? Reliable performance season after season.

Compatible Volvo Penta Engines

FITS: 5.7L, 5.0L, 4.3L Volvo Penta Engines

• Compatible with 38 Volvo Penta engine models
• Engine families: 5.7L, 5.0L, 4.3L
• OEM genuine Volvo Penta part

COMPLETE ENGINE MODEL COMPATIBILITY:

4.3L Models

• 4.3GIPEFS
• 4.3GIPWTRCE
• 4.3GiJWTR
• 4.3GL-A
• 4.3GL-B
• 4.3GL-C
• 4.3GL-D
• 4.3GLPEFS
• 4.3GLPWTR
• 4.3GSPWTR
• 4.3GSJWTR
• 4.3GXi-A

5.0L Models

• 5.0GiPEFS
• 5.0GiPWTR
• 5.0GL-A
• 5.0GL-B
• 5.0GL-C
• 5.0GL-D
• 5.0GL-E
• 5.0GLPEFS
• 5.0GLPWTR
• 5.0GXi-A

5.7L Models

• 5.7GSiPWTR
• 5.7GSiI-A
• 5.7GSiPEFS
• 5.7GSPEFS
• 5.7GSPWTR
• 5.7GXi-A
• 5.7GXi-B
• 5.7GXiI-A
• 5.7GXiI-B
• 5.7Gi-A
• 5.7GiI-A
• 5.7GL-A
• 5.7GL-B
• 5.7GL-C
• 5.7GL-D
• 5.7GL-E

⚠️ Fitment Notice: Always verify compatibility using your engine serial number before ordering. Call us — our parts experts are happy to confirm fit before you buy.

Looking for your Volvo Penta engine model and serial number? Our helpful guide shows you exactly where model numbers are located on different engines.

Verification & Support

Verify part 3858237 works with your Volvo Penta using our parts finder tool. Have questions? Reach out using the contact buttons at the bottom of this page — our team is here to help by text, call, or email.

Trusted by boaters since 1985. Save money with our below-retail pricing on genuine Volvo Penta OEM components.