1991 GMC C1500 Transmission Parts

This automatic transmission torque convertor connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:

• Direct replacement – this automatic transmission torque connector matches the appearance and function of the factory hardware on specified applications
• Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
• Durable construction – this part is made from quality materials to ensure reliable performance and long service life
• Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:

• Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
• Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
• Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
• Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line

CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Transhift cables connect the transmission selector lever/shifter to the transmission linkage. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. ATP Transhift cables are designed to fit and function just like the original part to ensure durability and long life.

Product Features:

• Includes brackets, grommets, etc to match original
• Installs just like the original part

CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:

• Premium quality materials for longer service life
• Sealed connections (where applicable) to prevent environmental corrosion and performance issues
• Global coverage for import and/or domestic applications
• OE specified wire gauge to ensure a reliable electrical connection
• Designed to meet or exceed OE specifications in form, fit and function

AT PRESS SW MANIFOLD

High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:

• Designed to OE standards for ease of installation
• Robust design and high grade materials meet the stringent demands of today’s service professional
• Our switches are manufactured under a completely quality control process from componentry to finished products by experienced professional

The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to BUIC 77-82; CHEV 78-05; GMC 81-99; OLDS 78-83; PONT 75-93;. Please verify your application.

Product Features:

• MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
• MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
• HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
• SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
• HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
• For Years: 1975-2005
• Weight approx: 1 Lbs
• HEIGHT: 1.95 INCH / 49.53 MM WITHOUT STUD
• STUD AND BOLT HOLES INLINE
• STUD: M10-1.50
• MOUNT HOLES: 3.75 INCH / 95.25 MM

Reverse lockout meets NHRA and IHRA requirements. Includes neutral safety switch, backup light switch, black T-Handle. Fits most 3 Speed applications.

Product Features:

• Base Trims To Custom Fit Floor
• NHRA/IHRA Reverse Lockout Meets Requirements
• Includes Neutral Safety Switch
• Includes Backup Light Switch
• Includes Black T-Handle and Cable

AT Output Shaft Seal

National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:

• Premium bearing design matches OEM specifications
• Precision manufactured using premium-grade steel for outstanding durability and performance
• Crowned raceways and rollers to ensure even load distribution for maximum life
• Industry leading coverage
• Professional technicians know they can depend on National

CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:

• Premium quality materials for longer service life
• Sealed connections (where applicable) to prevent environmental corrosion and performance issues
• Global coverage for import and/or domestic applications
• OE specified wire gauge to ensure a reliable electrical connection
• Designed to meet or exceed OE specifications in form, fit and function

CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

AT OVERHAUL KIT

Detent cables connect the throttle mechanism to the transmission. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. ATP Detent cables are designed to fit and function just like the original part to ensure durability and long life.

Product Features:

• Includes brackets, grommets, etc to match original
• Helps transmission determine ideal downshift
• Improves vehicle performance

AT OIL PAN GASKET

Shift Improver Kits – Buick, Chevrolet, GMC, Olds, Pontiac – 1968 to 1981 TH-350 and M38 Application: 1968 to 1981 TH-350 and M38 (for TH-350C use Transpak # 30235) Recalibrate your automatic transmission for optimum performance and extended life! Provides crisp shifts on any stock automatic transmissions. Elimination of soft sluggish shifts, shift overlap, and excess wear on clutches and bands due to slippage. Improves transmission life. Transmission removal not required. The B&M Shift Improver Kit the easiest way to get the stout performance you’ve always wanted out of your automatic transmission – and you get two modes of performance to select from: Heavy Duty, or Street/Strip. It’s our least expensive and simplest to install kit. All you need are a few dollars and some hand tools! In the space of an afternoon, you can turn your transmission into a B&M-tuned unit! Just ask the thousands of satisfied customers that have installed one in their transmissions! Stage 1 – Heavy Duty Firm positive shifts without loss of driver comfort for improved performance in all street vehicles. Recommended for regular passenger vehicles. Stage 2 – Street/Strip Provides very positive shifts for high performance street use or for competitive events. This model is for the enthusiast who wants the hardest, quickest possible shift.

Product Features:

• Recalibrate Auto. Transmission
• Optimum Performance
• Select Your App. Mode
• Improves Transmission Life
• Trans. Removal Not Required
• Downshift At Any Speed
• Great For Trailer Towing
• For Heavy Loads Driving Downhill

AT DPSTK TUBE SEAL

Manufactured with premium-grade steel, National® cylindrical bearings are designed and engineered to meet OE specifications.

Product Features:

• Premium bearing design matches OEM specifications
• Precision manufactured using premium-grade steel for outstanding durability and performance
• Controlled heat treating process for lasting performance and extended bearing life
• Industry leading coverage
• Professional technicians know they can depend on National

Value-priced seal meets all cataloged application requirements.

Product Features:

• Brand may vary by location

National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:

• Premium bearing design matches OEM specifications
• Precision manufactured using premium-grade steel for outstanding durability and performance
• Controlled heat treating process for lasting performance and extended bearing life
• Industry leading coverage
• Professional technicians know they can depend on National

(PDT)Premium Drivetrain Transmissions are remanufactured to original equipment (OEM) demanding specifications by an OEM builder. Each transmission assembly is manufactured with the highest technology equipment, the most intelligent engineering support, and the best practices available in remanufacturing today.

Product Features:

• All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required.
• 100% of friction components are replaced with upgraded heavy duty parts.
• Drum assemblies are air checked and side play is checked to assure proper clearance. 100% of seals, o’rings and gaskets are replaced.
• 100% of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear. Valve body valves and valve bores are inspected and valve bores are machined as required. Completed valve bodies are tested for proper operation prior to dyno testing.
• Transmissions are assembled, end plays are set and fasteners are torqued to the required specification.
• 100% of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno
• Product might not be available in all states due to local laws.

CLUTCH FORK BOOT

AT Output Shaft Spee

Value-priced seal meets all cataloged application requirements.

Product Features:

• Brand may vary by location

Dorman offers a comprehensive line of Clip / Spring Nuts for a range of automotive applications. They are available for use with a large variety of screw sizes, throat depths, and panel ranges.

Product Features:

• Constructed of high-quality materials for long-lasting durability
• Many different styles are available, including threaded and wide panel
• Packaged in a variety of piece counts for use with both small and large projects
• Also suitable for a broad range of industrial and commercial uses

CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

AT SPEED SENSOR