1977 GMC K25 | Unitrans

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Diagram

Differential Air System Switch

YSPXP-062 Yukon Gear
Power Lok Button Kit

Vehicle specific

Note

For Use w/Dana 30/44; Chrysler 8.75 in. Dana 44; Standard Rotation; Power Lok Thrust Button Kit

Quantity per vehicle

1

Fits on

Only submodels with ...
- V8 6.6L -CC 400CID 3.76 Inches 95.5 mm 0
- V8 5.7L -CC 350CID 3.48 Inches 88.5 mm 0
- V8 7.4L -CC 454CID 4.00 Inches 101.6 mm 0
- L6 4.8L -CC 292CID 4.13 Inches 104.8 mm 0
- V8 5.0L -CC 305CID 3.48 Inches 88.4 mm 0

Item on special order.
Please call us
1 800-361-4260
or make a request.

YZLASV-01 Yukon Gear
Solenoid Valve

Vehicle specific

Note

For Use w/Zip Locker Dana 44; Standard Rotation~Solenoid valve

Quantity per vehicle

1

Fits on

Only submodels with ...
- V8 5.7L -CC 350CID 3.48 Inches 88.5 mm 0
- L6 4.8L -CC 292CID 4.13 Inches 104.8 mm 0
- V8 6.6L -CC 400CID 3.76 Inches 95.5 mm 0
- V8 5.0L -CC 305CID 3.48 Inches 88.4 mm 0
- V8 7.4L -CC 454CID 4.00 Inches 101.6 mm 0

Item on special order.
Please call us
1 800-361-4260
or make a request.

YZLASW-01 Yukon Gear
Switch

Vehicle specific

Note

For Use w/Zip Locker Dana 44; Standard Rotation~On/Off switch

Quantity per vehicle

1

Fits on

Only submodels with ...
- V8 6.6L -CC 400CID 3.76 Inches 95.5 mm 0
- V8 5.7L -CC 350CID 3.48 Inches 88.5 mm 0
- V8 7.4L -CC 454CID 4.00 Inches 101.6 mm 0
- L6 4.8L -CC 292CID 4.13 Inches 104.8 mm 0
- V8 5.0L -CC 305CID 3.48 Inches 88.4 mm 0

Item on special order.
Please call us
1 800-361-4260
or make a request.