846637 Leak-Off Line | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta leak-off line from the Fuel System group, weighing 0.091 kg and listed for 55 applications across the AQ, TAD, TD, TWD, BB and TID series engines.

🚤 Compatibility

• Engine Family: AQ, TAD, TD, TWD, BB, TID, B, MD, MB, AQD

Full model list at the end of this description.

⚙️ Key Features

• 0.091 kg
• 55 applications across six engine series
• Fuel System group

🔌 Function

Collects the small amount of fuel that bleeds past each injector needle and returns it to the low-pressure side of the system.

⚠️ Common Signs of Failure

• Diesel seeping along the pipe run or at a union
• Fuel smell around the cylinder head with the engine hot
• Rough running or hard starting if the return is blocked
• Pipe cracked at a bend or chafed through
• Sealing washers at the unions hardened or bitten through

🛠️ Service Notes

• Renew the sealing washers at each union rather than reusing them
• Check the pipe route for a chafe point if the old line failed anywhere other than at a union

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta TD100G-85, TD100G, TD100GG, TD100GGP, TD100HP, TD100HPB, TD100GG-85, TD100GP, TD100GP-85
• Volvo Penta TID100KG, TID100KGP, TID100K, TID100K-87, TID100KGP-87, TID100KP, TID100KP-87, TID100KPB-87
• Volvo Penta TAD1030P, TAD1030G, TAD1030GE, TAD1030V, TAD1030VE
• Volvo Penta AQ130C, AQ130D, AQ130A, AQ130B
• Volvo Penta AQ170B, AQ170C, AQ170A
• Volvo Penta BB115A, BB115B, BB115C
• Volvo Penta BB170B, BB170C, BB170A
• Volvo Penta MB20A, MB20B, MB20C
• Volvo Penta AQ115A, AQ115B
• Volvo Penta 100S, 110S
• Volvo Penta TAD1031G, TAD1031GE
• Volvo Penta AQ165A
• Volvo Penta AQD21A
• Volvo Penta B20
• Volvo Penta BB165A
• Volvo Penta MD21A
• Volvo Penta TAD1032GE
• Volvo Penta TD1010G
• Volvo Penta TD1030VE
• Volvo Penta TWD1010G
• Volvo Penta TWD1030ME
• Volvo Penta TWD1031VE