Sonnax Mitsubishi R4/V4A51 Transmission

Pump

Pump Bushing 41005-01

Bushing Style: Precision
Material: Steel-backed bimetal
Shaft Dia.: 1.691"
Width: 0.545"
Housing Bore: 1.810"

Helps cure:

Bushing wear
Bushing failure

Tooling:

41005-TL

Valve Body

Pressure Control Valve Kit 41954-06K

No orifice, replaces OE valves with .382", .472" & .354" spool dia. Fits either of 2 locations.

Helps cure:

Burnt clutches
Flare shifts
Shuttle shifts
Cycling RPM during shift
Delayed engagement

Pressure Control Valve Kit 41954-07K

With orifice, replaces OE valves with .382", .472" & .354" spool dia. Fits either of 2 locations.

Helps cure:

Burnt clutches
Flare shifts
Shuttle shifts
Cycling RPM during shift
Delayed engagement

TCC Control Valve Kit 41954-03K

Replaces OE valves with .405", .531" & .344" spool dia. Application units noted may look different than the two valve bodies pictured here. 41954-03K should fit all units with matching spool diameters, even if location of bore differs.

Helps cure:

Excess TCC slip
TCC apply & release concerns
TCC cycling
High TCC release pressure

Case

Accumulator Piston Kit 41954-02K

Fits any of four locations in '96-later units. Dual-seal design.

Helps cure:

Worn accumulator bores
Soft shifts
Harsh shifts
Delayed engagement
Shudder on engagement

Accumulator Piston Seal Kit 41954-02SK

Replacement Seals for 41954-02K

Helps cure:

Lost or damaged component

Other

Mitsubishi

R4/V4A51 Transmission

Pump Bushing 41005-01

Pressure Control Valve Kit 41954-06K

Pressure Control Valve Kit 41954-07K

TCC Control Valve Kit 41954-03K

Accumulator Piston Kit 41954-02K

Accumulator Piston Seal Kit 41954-02SK

Pump Alignment Tool 41005-TL

Tech Resources

R4/V4A51 Solenoid Identification & Connector Pin Out