GMC K25 Repair Manual

Standard Carburetor Rebuild Kit

When choosing for the ideal rebuild kit for your carburetor - choose Standard. Designed and made to the highest standards - from raw material selection, fabrication and right down to packaging, this rebuild kit is guaranteed to deliver the quality and functionality that you can expect from the best.

Features:

• Works with 2-barrel carburetor models

Fits the following 1975-1978 GMC K25 submodels:

• 1976-1978: Base; 8 Cyl 7.4L;
• 1976-1978: High Sierra; 8 Cyl 7.4L;

• 1976-1978: Sierra Classic; 8 Cyl 7.4L;

• 1976-1978: Sierra Grande; 8 Cyl 7.4L;

• 1975-1978: Base; 8 Cyl 5.7L;

• 1975-1978: Base; 8 Cyl 6.6L;

• 1975-1978: High Sierra; 8 Cyl 5.7L;

• 1975-1978: High Sierra; 8 Cyl 6.6L;

• 1975-1978: Sierra Classic; 8 Cyl 5.7L;

• 1975-1978: Sierra Classic; 8 Cyl 6.6L;

• 1975-1978: Sierra Grande; 8 Cyl 5.7L;

• 1975-1978: Sierra Grande; 8 Cyl 6.6L;

Fits 10 more submodels. (Show all) Show less info

AC DELCO BRAKE CALIPER KIT, SOLD INDIVIDUALLY -- This is a high quality, OE replacement brake caliper kit.

Fits the following 1975-1978 GMC K25 submodels:

• 1977-1978: Base; 8 Cyl 5.0L; "GAS, CARB, Naturally Aspirated, VIN U"
• 1977-1978: Base; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN R"

• 1977-1978: Base; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN S"

• 1977-1978: High Sierra; 8 Cyl 5.0L; "GAS, CARB, Naturally Aspirated, VIN U"

• 1977-1978: High Sierra; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN R"

• 1977-1978: High Sierra; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN S"

• 1977-1978: Sierra Classic; 8 Cyl 5.0L; "GAS, CARB, Naturally Aspirated, VIN U"

• 1977-1978: Sierra Classic; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN R"

• 1977-1978: Sierra Classic; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN S"

• 1977-1978: Sierra Grande; 8 Cyl 5.0L; "GAS, CARB, Naturally Aspirated, VIN U"

• 1977-1978: Sierra Grande; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN R"

• 1977-1978: Sierra Grande; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN S"

• 1976-1978: Base; 6 Cyl 4.1L; "GAS, CARB, Naturally Aspirated, VIN D"

• 1976-1978: Base; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"

• 1976-1978: High Sierra; 6 Cyl 4.1L; "GAS, CARB, Naturally Aspirated, VIN D"

• 1976-1978: High Sierra; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"

• 1976-1978: Sierra Classic; 6 Cyl 4.1L; "GAS, CARB, Naturally Aspirated, VIN D"

• 1976-1978: Sierra Classic; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"

• 1976-1978: Sierra Grande; 6 Cyl 4.1L; "GAS, CARB, Naturally Aspirated, VIN D"

• 1976-1978: Sierra Grande; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"

• 1975-1978: Base; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1975-1978: High Sierra; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1975-1978: Sierra Classic; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1975-1978: Sierra Grande; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1976-1976: Base; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN U"

• 1976-1976: Base; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN Y"

• 1976-1976: High Sierra; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN U"

• 1976-1976: High Sierra; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN Y"

• 1976-1976: Sierra Classic; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN U"

• 1976-1976: Sierra Classic; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN Y"

• 1976-1976: Sierra Grande; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN U"

• 1976-1976: Sierra Grande; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN Y"

• 1975-1976: Base; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN V"

• 1975-1976: High Sierra; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN V"

• 1975-1976: Sierra Classic; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN V"

• 1975-1976: Sierra Grande; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN V"

• 1975-1975: Base; 6 Cyl 4.1L; "GAS, CARB, Naturally Aspirated, VIN Q"

• 1975-1975: Base; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN Y"

• 1975-1975: Base; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN M"

• 1975-1975: High Sierra; 6 Cyl 4.1L; "GAS, CARB, Naturally Aspirated, VIN Q"

• 1975-1975: High Sierra; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN Y"

• 1975-1975: High Sierra; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN M"

• 1975-1975: Sierra Classic; 6 Cyl 4.1L; "GAS, CARB, Naturally Aspirated, VIN Q"

• 1975-1975: Sierra Classic; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN Y"

• 1975-1975: Sierra Classic; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN M"

• 1975-1975: Sierra Grande; 6 Cyl 4.1L; "GAS, CARB, Naturally Aspirated, VIN Q"

• 1975-1975: Sierra Grande; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN Y"

• 1975-1975: Sierra Grande; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN M"

Fits 46 more submodels. (Show all) Show less info

GATES POWER STEERING PUMP REPAIR KIT -- This power steering pump drive shaft seal kit consists of components that are made of OEM quality materials.

Fits the following 1975-1978 GMC K25 submodels:

• 1977-1978: Base; 8 Cyl 5.0L; "GAS"
• 1977-1978: High Sierra; 8 Cyl 5.0L; "GAS"

• 1977-1978: Sierra Classic; 8 Cyl 5.0L; "GAS"

• 1977-1978: Sierra Grande; 8 Cyl 5.0L; "GAS"

• 1976-1978: Base; 8 Cyl 7.4L; "GAS"

• 1976-1978: High Sierra; 8 Cyl 7.4L; "GAS"

• 1976-1978: Sierra Classic; 8 Cyl 7.4L; "GAS"

• 1976-1978: Sierra Grande; 8 Cyl 7.4L; "GAS"

• 1975-1978: Base; 6 Cyl 4.1L; "GAS"

• 1975-1978: Base; 6 Cyl 4.8L; "GAS"

• 1975-1978: Base; 8 Cyl 5.7L; "GAS"

• 1975-1978: Base; 8 Cyl 6.6L; "GAS"

• 1975-1978: High Sierra; 6 Cyl 4.1L; "GAS"

• 1975-1978: High Sierra; 6 Cyl 4.8L; "GAS"

• 1975-1978: High Sierra; 8 Cyl 5.7L; "GAS"

• 1975-1978: High Sierra; 8 Cyl 6.6L; "GAS"

• 1975-1978: Sierra Classic; 6 Cyl 4.1L; "GAS"

• 1975-1978: Sierra Classic; 6 Cyl 4.8L; "GAS"

• 1975-1978: Sierra Classic; 8 Cyl 5.7L; "GAS"

• 1975-1978: Sierra Classic; 8 Cyl 6.6L; "GAS"

• 1975-1978: Sierra Grande; 6 Cyl 4.1L; "GAS"

• 1975-1978: Sierra Grande; 6 Cyl 4.8L; "GAS"

• 1975-1978: Sierra Grande; 8 Cyl 5.7L; "GAS"

• 1975-1978: Sierra Grande; 8 Cyl 6.6L; "GAS"

Fits 22 more submodels. (Show all) Show less info

TIMKEN TIMING COVER SEAL REPAIR SLEEVE -- A high quality, direct fit OE replacement timing cover seal repair sleeve.

Fits the following 1975-1978 GMC K25 submodels:

• 1975-1978: Base; All Engines;
• 1975-1978: High Sierra; All Engines;

• 1975-1978: Sierra Classic; All Engines;

• 1975-1978: Sierra Grande; All Engines;

Fits 2 more submodels. (Show all) Show less info

ANCO WASHER PUMP REPAIR KIT -- Made from high quality material for maximum durability; Keeps your windshield washer pump fully functioning like new; A high quality OE replacement washer pump repair kit; With 1-year Anco limited warranty.

Fits the following 1975-1978 GMC K25 submodels:

• 1975-1978: All Submodels; All Engines;

TRICO SUPERPUMP WASHER PUMP REPAIR KIT -- Includes all necessary O-ring, gaskets, and hardware; A high quality, OE replacement washer pump repair kit.

Fits the following 1975-1978 GMC K25 submodels:

• 1975-1978: All Submodels; All Engines;

PLEWS-EDELMANN POWER STEERING PUMP REPAIR KIT -- This is a high quality power steering pump repair kit.

Fits the following 1975-1978 GMC K25 submodels:

• 1977-1978: Base; 8 Cyl 5.0L; "GAS"
• 1977-1978: High Sierra; 8 Cyl 5.0L; "GAS"

• 1977-1978: Sierra Classic; 8 Cyl 5.0L; "GAS"

• 1977-1978: Sierra Grande; 8 Cyl 5.0L; "GAS"

• 1976-1978: Base; 8 Cyl 7.4L; "GAS"

• 1976-1978: High Sierra; 8 Cyl 7.4L; "GAS"

• 1976-1978: Sierra Classic; 8 Cyl 7.4L; "GAS"

• 1976-1978: Sierra Grande; 8 Cyl 7.4L; "GAS"

• 1975-1978: Base; 6 Cyl 4.1L; "GAS"

• 1975-1978: Base; 6 Cyl 4.8L; "GAS"

• 1975-1978: Base; 8 Cyl 5.7L; "GAS"

• 1975-1978: Base; 8 Cyl 6.6L; "GAS"

• 1975-1978: High Sierra; 6 Cyl 4.1L; "GAS"

• 1975-1978: High Sierra; 6 Cyl 4.8L; "GAS"

• 1975-1978: High Sierra; 8 Cyl 5.7L; "GAS"

• 1975-1978: High Sierra; 8 Cyl 6.6L; "GAS"

• 1975-1978: Sierra Classic; 6 Cyl 4.1L; "GAS"

• 1975-1978: Sierra Classic; 6 Cyl 4.8L; "GAS"

• 1975-1978: Sierra Classic; 8 Cyl 5.7L; "GAS"

• 1975-1978: Sierra Classic; 8 Cyl 6.6L; "GAS"

• 1975-1978: Sierra Grande; 6 Cyl 4.1L; "GAS"

• 1975-1978: Sierra Grande; 6 Cyl 4.8L; "GAS"

• 1975-1978: Sierra Grande; 8 Cyl 5.7L; "GAS"

• 1975-1978: Sierra Grande; 8 Cyl 6.6L; "GAS"

Fits 22 more submodels. (Show all) Show less info

CENTRIC WHEEL CYLINDER KIT -- 1 in. diameter; This is a high quality, OE replacement wheel cylinder kit.

Fits the following 1976-1978 GMC K25 submodels:

• 1976-1978: Base; All Engines;
• 1976-1978: High Sierra; All Engines;

• 1976-1978: Sierra Classic; All Engines;

• 1976-1978: Sierra Grande; All Engines;

Fits 2 more submodels. (Show all) Show less info

KOOL VUE MANUAL MIRROR, NON-HEATED, MANUAL FOLDING

Kool Vue Manual Mirrors are OE comparable and manufactured from the highest quality, corrosion-resistant materials to withstand all types of weather.

Kool Vue specializes in producing mirrors for all vehicle makes and models; Our mirrors go through rigorous weather, swing, and vibration testing to make sure you receive the highest quality mirrors. Our mirrors are backed by a 2-year Kool Vue limited warranty - you can't go wrong with Kool Vue Mirrors!

Fits the following 1975-1978 GMC K25 submodels:

• 1977-1978: Base; 8 Cyl 5.0L;
• 1977-1978: High Sierra; 8 Cyl 5.0L;

• 1977-1978: Sierra Classic; 8 Cyl 5.0L;

• 1977-1978: Sierra Grande; 8 Cyl 5.0L;

• 1976-1978: Base; 8 Cyl 7.4L;

• 1976-1978: High Sierra; 8 Cyl 7.4L;

• 1976-1978: Sierra Classic; 8 Cyl 7.4L;

• 1976-1978: Sierra Grande; 8 Cyl 7.4L;

• 1975-1978: Base; 6 Cyl 4.1L;

• 1975-1978: Base; 6 Cyl 4.8L;

• 1975-1978: Base; 8 Cyl 5.7L;

• 1975-1978: Base; 8 Cyl 6.6L;

• 1975-1978: High Sierra; 6 Cyl 4.1L;

• 1975-1978: High Sierra; 6 Cyl 4.8L;

• 1975-1978: High Sierra; 8 Cyl 5.7L;

• 1975-1978: High Sierra; 8 Cyl 6.6L;

• 1975-1978: Sierra Classic; 6 Cyl 4.1L;

• 1975-1978: Sierra Classic; 6 Cyl 4.8L;

• 1975-1978: Sierra Classic; 8 Cyl 5.7L;

• 1975-1978: Sierra Classic; 8 Cyl 6.6L;

• 1975-1978: Sierra Grande; 6 Cyl 4.1L;

• 1975-1978: Sierra Grande; 6 Cyl 4.8L;

• 1975-1978: Sierra Grande; 8 Cyl 5.7L;

• 1975-1978: Sierra Grande; 8 Cyl 6.6L;

Fits 22 more submodels. (Show all) Show less info

MANUAL WINDOW REGULATOR, NEW

This window regulator is built from OE comparable materials and specifications; covered by 1-year, unlimited-mileage warranty.

Replacement brand parts are the most affordable solution for your replacement needs!

Location:	Front, Driver Side
Type:	OE replacement, Without motor
Operation:	Manual
Condition:	New
Quantity Sold:	Sold individually
Warranty:	1-year, unlimited-mileage warranty

Fits the following 1978-1978 GMC K25 submodels:

• 1978-1978: Base; 6 Cyl 4.1L; "GAS, CARB, Naturally Aspirated, VIN D"
• 1978-1978: Base; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1978-1978: Base; 8 Cyl 5.0L; "GAS, CARB, Naturally Aspirated, VIN U"

• 1978-1978: Base; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"

• 1978-1978: Base; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN R"

• 1978-1978: Base; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN S"

• 1978-1978: High Sierra; 6 Cyl 4.1L; "GAS, CARB, Naturally Aspirated, VIN D"

• 1978-1978: High Sierra; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1978-1978: High Sierra; 8 Cyl 5.0L; "GAS, CARB, Naturally Aspirated, VIN U"

• 1978-1978: High Sierra; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"

• 1978-1978: High Sierra; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN R"

• 1978-1978: High Sierra; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN S"

• 1978-1978: Sierra Classic; 6 Cyl 4.1L; "GAS, CARB, Naturally Aspirated, VIN D"

• 1978-1978: Sierra Classic; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1978-1978: Sierra Classic; 8 Cyl 5.0L; "GAS, CARB, Naturally Aspirated, VIN U"

• 1978-1978: Sierra Classic; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"

• 1978-1978: Sierra Classic; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN R"

• 1978-1978: Sierra Classic; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN S"

• 1978-1978: Sierra Grande; 6 Cyl 4.1L; "GAS, CARB, Naturally Aspirated, VIN D"

• 1978-1978: Sierra Grande; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1978-1978: Sierra Grande; 8 Cyl 5.0L; "GAS, CARB, Naturally Aspirated, VIN U"

• 1978-1978: Sierra Grande; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"

• 1978-1978: Sierra Grande; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN R"

• 1978-1978: Sierra Grande; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN S"

Fits 22 more submodels. (Show all) Show less info

This Dorman OE Replacement Manual Window Regulator - Brand New is a high-quality and affordable replacement item for your damaged factory part. This OE comparable item is designed with Anti-Pinch technology that decreases risk to passengers and can be installed easily - no wire splicing needed. This window regulator is backed by Lifetime Dorman Limited warranty.

Fits the following 1978-1978 GMC K25 submodels:

• 1978-1978: Base; 6 Cyl 4.1L; "GAS, CARB, Naturally Aspirated, VIN D"
• 1978-1978: Base; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1978-1978: Base; 8 Cyl 5.0L; "GAS, CARB, Naturally Aspirated, VIN U"

• 1978-1978: Base; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"

• 1978-1978: Base; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN R"

• 1978-1978: Base; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN S"

• 1978-1978: High Sierra; 6 Cyl 4.1L; "GAS, CARB, Naturally Aspirated, VIN D"

• 1978-1978: High Sierra; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1978-1978: High Sierra; 8 Cyl 5.0L; "GAS, CARB, Naturally Aspirated, VIN U"

• 1978-1978: High Sierra; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"

• 1978-1978: High Sierra; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN R"

• 1978-1978: High Sierra; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN S"

• 1978-1978: Sierra Classic; 6 Cyl 4.1L; "GAS, CARB, Naturally Aspirated, VIN D"

• 1978-1978: Sierra Classic; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1978-1978: Sierra Classic; 8 Cyl 5.0L; "GAS, CARB, Naturally Aspirated, VIN U"

• 1978-1978: Sierra Classic; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"

• 1978-1978: Sierra Classic; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN R"

• 1978-1978: Sierra Classic; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN S"

• 1978-1978: Sierra Grande; 6 Cyl 4.1L; "GAS, CARB, Naturally Aspirated, VIN D"

• 1978-1978: Sierra Grande; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1978-1978: Sierra Grande; 8 Cyl 5.0L; "GAS, CARB, Naturally Aspirated, VIN U"

• 1978-1978: Sierra Grande; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"

• 1978-1978: Sierra Grande; 8 Cyl 6.6L; "GAS, CARB, Naturally Aspirated, VIN R"

• 1978-1978: Sierra Grande; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN S"

Fits 22 more submodels. (Show all) Show less info

CIPA ORIGINAL STYLE MIRROR, MANUAL, PLASTIC, NON-HEATED, CHROME, SOLD INDIVIDUALLY -- Corner mount type; Flat glass; Manual folding; Features OE grade glass; Rust and corrosion resistant; Designed to perfectly fit your vehicle like the original part; Requires no modifications to your existing bolt pattern; QS900 and ISO 9002 certified; Replaces OEM number 996220; Easy installation.

Fits the following 1978-1978 GMC K25 submodels:

• 1978-1978: Base; 6 Cyl 4.1L;
• 1978-1978: Base; 6 Cyl 4.8L;

• 1978-1978: Base; 8 Cyl 5.0L;

• 1978-1978: Base; 8 Cyl 5.7L;

• 1978-1978: Base; 8 Cyl 6.6L;

• 1978-1978: Base; 8 Cyl 7.4L;

• 1978-1978: High Sierra; 6 Cyl 4.1L;

• 1978-1978: High Sierra; 6 Cyl 4.8L;

• 1978-1978: High Sierra; 8 Cyl 5.0L;

• 1978-1978: High Sierra; 8 Cyl 5.7L;

• 1978-1978: High Sierra; 8 Cyl 6.6L;

• 1978-1978: High Sierra; 8 Cyl 7.4L;

• 1978-1978: Sierra Classic; 6 Cyl 4.1L;

• 1978-1978: Sierra Classic; 6 Cyl 4.8L;

• 1978-1978: Sierra Classic; 8 Cyl 5.0L;

• 1978-1978: Sierra Classic; 8 Cyl 5.7L;

• 1978-1978: Sierra Classic; 8 Cyl 6.6L;

• 1978-1978: Sierra Classic; 8 Cyl 7.4L;

• 1978-1978: Sierra Grande; 6 Cyl 4.1L;

• 1978-1978: Sierra Grande; 6 Cyl 4.8L;

• 1978-1978: Sierra Grande; 8 Cyl 5.0L;

• 1978-1978: Sierra Grande; 8 Cyl 5.7L;

• 1978-1978: Sierra Grande; 8 Cyl 6.6L;

• 1978-1978: Sierra Grande; 8 Cyl 7.4L;

Fits 22 more submodels. (Show all) Show less info

WARN STANDARD MANUAL LOCKING HUBS, SET OF 2 -- 19 spline; Features a 4140 steel clutch ring, an inner drive gear and a precision cast hub body; This is an ideal choice for factory hub replacement; When replacing automatic 3-hole cap screw hubs with manual hubs, you must use a Warn Spindle Nut Conversion Kit that is appropriate for your vehicle; Will not fit 1987 to early 1988 model vehicles.

Fits the following 1977-1978 GMC K25 submodels:

• 1977-1978: Base; All Engines;
• 1977-1978: High Sierra; All Engines;

• 1977-1978: Sierra Classic; All Engines;

• 1977-1978: Sierra Grande; All Engines;

Fits 2 more submodels. (Show all) Show less info

MILE MARKER CHROME STREET MASTER MANUAL LOCKING HUBS, SET OF 2 -- This set of locking hubs feature chrome caps with black nylon-reinforced fiberglass dials.

Fits the following 1978-1978 GMC K25 submodels:

• 1978-1978: All Submodels; All Engines;

RUGGED RIDGE MANUAL LOCKING HUBS, SET OF 2 -- 19 splines; 6-bolt; Each manual hub features a military-specification hardened nylon center dial that prevents damage to internal parts in the unlikely event of axle breakage, precision machined and heat treated internal components, a die cast aluminum cap with corrosion resistant glossy finish, and a salt-spray tested epoxy enamel finish for the hub body; Improves 4WD performance when the hubs are locked; Reduces drive train noise and vibration; Provides better fuel economy due to the lesser drag on the engine, more mileage for the front tires since they will rotate freely, and a more comfortable ride due to lightened steering.

Fits the following 1975-1976 GMC K25 submodels:

• 1975-1976: All Submodels; All Engines;