Impeller for Volvo Penta and Yanmar diesel inboard engines, MD21951356

• Impeller for Volvo Penta and Yanmar diesel inboard engines, MD21951356

Impeller for Volvo Penta and Yanmar diesel inboard engines, MD21951356 pumps the raw water in the seawater pump and is a key wearing part of the cooling system.

According to the product information, the impeller is intended for Volvo Penta diesel models and Yanmar applications with a suitable pump design.

Suitable for the following models:

• Volvo Penta AQ30, AQ31, AQAD30A
• Volvo Penta AQD32 to AQ41 as well as AQAD40A and AQAD40B
• Volvo Penta AD30A, AD31, AD31B, AD31D, AD31L-A, AD31P-A, AD31XD
• Volvo Penta D4, D5 and D7 applications according to manufacturer list
• Yanmar with reference 120650-42310 with matching pump version

Replaces the following reference numbers:

• Volvo Penta 21951356
• Yanmar 120650-42310

FAQ for this article:

What is the function of the impeller?
It generates the flow in the seawater pump and supports the cooling of the engine.

When should the impeller be replaced?
Replacement is advisable if the blades are hardened, torn or damaged, or as part of regular maintenance intervals.

What is important for the assignment?
The pump version and the matching reference number are decisive, not just the general engine designation.