Symptoms:

  • Bushing wear
  • Bushing failure

F4A41/42/51, F5A51, R4/V4A51, R5A51, V5A51

Pump Bushing
Part No. 41005-01


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Sonnax offers replacement pump bushing 41005-01 for Mitsubishi F4A41/42/51, F5A51, R4/V4A51 and R5/V5A51 pumps. This precision steel-backed, ball-indented bushing restores operational clearances for proper sealing and lubrication. 41005-01 has a full bearing surface with no cut-out to compromise bearing integrity.

Correct installation staking the bushing into the pump housing. This series of pumps are difficult to reassemble properly. There are no pins or mating features to ensure proper alignment of the pump halves. Sonnax offers pump alignment tool 41005-TL to correctly align the pump halves during reassembly.

  • Allows salvage of pump
  • Bushing is not available from OE
  • Pump alignment tool properly aligns pump for assembly
  • Bushing Style: Precision
  • Material: Steel-backed bimetal
  • Shaft Dia.: 1.691"
  • Width: 0.545"
  • Housing Bore: 1.810"

Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. See all Sonnax valve body layouts.

Mitsubishi F4A, F5A Valve Body Layout

Mitsubishi F4A, F5A Valve Body Layout
  • F4A41/42/51, F5A51, R4/V4A51, R5A51, V5A51 Pump Bushing 41005-01
  • F4A41/42/51, F5A51, R4/V4A51, R5A51, V5A51 Pump Bushing 41005-01