838667 Leak-Off Line | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta leak-off line from the Fuel System group for the TAMD41P-A, TAMD41L-A, TAMD41M-A and TAMD41H-A engines, weighing 0.12 kg and listed for 46 applications across AD, TAMD, D, TMD, DP and DPX series engines and drives.

🚤 Compatibility

• Engine Family: AD, TAMD, D, TMD, DP, DPX, SP, KAD, KAMD

Full model list at the end of this description.

⚙️ Key Features

• For TAMD41P-A, TAMD41L-A, TAMD41M-A and TAMD41H-A
• 0.12 kg
• 46 applications across AD, TAMD, D, TMD, DP and DPX series
• Heavier of the two leak-off lines in this group

🔌 Function

Collects the fuel that leaks past each injector needle and returns it to the tank, keeping the injectors cool and the leakage contained.

⚠️ Common Signs of Failure

• Strong diesel smell around the engine
• Wet, sooty trails running down from the injector tops
• Hose sections hardened, cracked or perished
• Rough running or hard starting as air is drawn into the return
• Union sealing washers flattened, split or missing

🛠️ Service Notes

• The shorter leak-off line 838666 at 0.075 kg covers 21 applications — match the engine designation rather than the weight
• Fit new copper sealing washers at every union and tighten only to the point of seal

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta AD41P-B, AD41B, AD41D, AD41L-A, AD41P-A, AD41, AD41A, AD41BJ
• Volvo Penta TAMD41B, TAMD41D, TAMD41H-A, TAMD41H-B, TAMD41M-A, TAMD41P-A, TAMD41P, TAMD41A
• Volvo Penta D41, D41B, D41D, D41L-A
• Volvo Penta DP-A, DP-A1, DP-B, DP-B1
• Volvo Penta TMD41A, TMD41B, TMD41D, TMD41L-A
• Volvo Penta KAD42A, KAD42B, KAD42P-A
• Volvo Penta KAMD42A, KAMD42B, KAMD42P-A
• Volvo Penta KAMD43P, KAMD43P-A, KAMD43P-B
• Volvo Penta KAD43P-B, KAD43P-A
• Volvo Penta 740A, 290A
• Volvo Penta SP-A, SP-A1
• Volvo Penta TAMD42WJ-A, TAMD42B
• Volvo Penta DPX