1981 GMC B-Series Brake Parts
- DFC®Drum Brake Adjuster KitGMC B-Series Front Drum Brakes with School Bus Package 1981, Drum Brake Adjuster Kit by Dynamic Friction Company®. Often overlooked during a brake repair, the drum brake hardware can be stressed, fatigued, or corroded within 1-2 years,...Manufactured using premium materials for longevity and consistent performanceReduces noise and vibration$5.10 - $32.90
- ACDelco®Gold™ Drum Brake Self Adjuster Repair KitGMC B-Series 1981, Gold™ Drum Brake Self Adjuster Repair Kit by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$19.57 - $45.35
- R1 Concepts®Brake Master CylinderGMC B-Series 1981, Brake Master Cylinder by R1 Concepts®. R1 Concepts Brake Master Cylinders are manufactured to the standards of the original equipment manufacturer (OEM) and are guaranteed to meet or exceed the OEM's strict standards...Vehicle specific design which meets or exceeds OEM specifications for exact fitment and equal or improved performanceHigh quality at an affordable price$200.56 - $297.55
- DFC®Brake Master CylinderGMC B-Series Bus (School) - Cab Forward 1981, Brake Master Cylinder by Dynamic Friction Company®. DFC Brake Master Cylinders are designed, engineered and manufactured to meet Original Equipment Manufacturer (OEM) specifications to...Matches OEM specifications for proper form, fit, and functionManufactured to highest international quality control standards to eliminate defects$175.34 - $260.14
- Tectran®ARMORFLEX-HD™ Armorcoil Aircoil SetUniversal ARMORFLEX-HD™ Armorcoil Aircoil Set by Tectran®. Length: 15'. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...Tubing features polyurethane covered Armor Coating that is rugged, abrasion and cut resistant-85°F extreme cold flexibility rating$130.47 - $145.35
- Tectran®Air Compressor Discharge Hose AssemblyUniversal Air Compressor Discharge Hose Assembly by Tectran®. Dual 5/8" 45°Female Swivel. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high...Teflon inner tubeDurable stainless steel outer braid$65.90 - $83.32
- Tectran®Dual Pole-Dual Cable AirPower LineUniversal Dual Pole-Dual Cable AirPower Line by Tectran®. Length: 15'. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....The convenience of the AirPower Line plus an added Tailgate Powerline(2) 3/8" ID SAE J1402 rubber air lines$417.53
- Tectran®MAGNUMFLEX-HD™ Dual-Line AircoilUniversal MAGNUMFLEX-HD™ Dual-Line Aircoil by Tectran®. Length: 15'. Lead Length: 14" X 12". All the same protective armor coating as the ARMORFLEX-HD™ line with the added benefit of Fused Technology bonding the lines together into...Tubing features polyurethane covered Armor Coating that is rugged, abrasion and cut resistant-85°F extreme cold flexibility rating$137.22
- Tectran®Rubber Covered Tube ClampsUniversal Rubber Covered Tube Clamps by Tectran®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...Expertly crafted from premium materialsDesigned to match rigorous quality standards$0.45 - $3.89
- Dorman®Primary Rear Center Brake Hydraulic HoseGMC B-Series 1981, Primary Rear Center Brake Hydraulic Hose by Dorman®. Direct replacement Hydraulic Brake Hoses are designed to fit specific vehicle applications and positions. This ensures a great fit every time. New hose replacement...Quality construction ensures strength, chemical and thermal resistance for longer lifeBrake Hoses with banjo end fittings include new copper washers to ensure proper sealing$16.63
- R1 Concepts®Front Brake HoseGMC B-Series 1981, Front Brake Hose by R1 Concepts®. Manufactured under the highest quality standards to meet or exceed OE quality, form, and function, this hose will provide reliable and long-lasting service life. It's designed to be a...DOT-Compliant HoseMade of high-quality materials$17.50 - $23.34
- Beck Arnley®Brake LinesUniversal Brake Lines by Beck Arnley®. This product is designed and built in strict adherence to your vehicle's factory specifications to ensure the correct form, fit, and functionality of the OE part. It is manufactured from the same...Perfect fit and function is guaranteedMade from the same gauge material as your original part$4.24 - $7.72
- Edelmann®Hydraulic Brake AdaptersUniversal Hydraulic Brake Adapters by Edelmann®. Engineered by the company with more than 50 years of steering hose manufacturing experience, Edelmann power steering replacement hoses ensure OE-style form, fit, function, and long life....Highly resistant to oil, heat, and ozoneTube construction withstands internal oil temperatures of up to 300 degrees Fahrenheit$2.70
- Gates®MegaTech 1000™ High-Temperature Air Brake Oil-Air ReturnUniversal MegaTech 1000™ High-Temperature Air Brake Oil-Air Return by Gates®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need...High quality at an affordable priceExpertly made from premium materials$343.46 - $953.56
- King Racing®Brake Line Quick Disconnect CouplerUniversal Brake Line Quick Disconnect Coupler by King Racing®. This product is made of high-quality materials to serve you for years to come. Designed usig state-of-the-art technology and with customers in mind. It will meet your needs...High quality at an affordable priceExpertly made from premium materials$126.87
- Tectran®D.O.T. Composite Push Lock Fittings Nylon Tubing Bulkhead UnionUniversal D.O.T. Composite Push Lock Fittings Nylon Tubing Bulkhead Union by Tectran®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...Built to offer superior performance for a long timeMade to bring exceptional durability and reliability$8.84
- Tectran®D.O.T. Push Lock Fittings Nylon Tubing Swivel Male Run TeeUniversal D.O.T. Push Lock Fittings Nylon Tubing Swivel Male Run Tee by Tectran®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...Built to offer superior performance for a long timeMade to bring exceptional durability and reliability$11.46
- Tectran®In-Line Quick Release ValveUniversal In-Line Quick Release Valve by Tectran®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Exhaust valves mount in-line between the gladhand and the tractor protection valve to speed up release of the trailer's service brakesHelps reduce wear on trailer brake components$29.23
- Tectran®Pressure/Safety ValveUniversal Pressure/Safety Valve by Tectran®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Built to offer superior performance for a long timeMade to bring exceptional durability and reliability$14.24
- Haldex®Adjustable Air Regulating ValveUniversal Adjustable Air Regulating Valve by Haldex®. For Auxiliary Systems. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...For auxiliary systems only. Not used in the brake systemUsed in air systems where reduced levels are required$176.63
- Haldex®Relay ValveUniversal Relay Valve by Haldex®. Four Port - Single Control Line. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Multi-application valveReplaces many Haldex OEM numbers$137.64
- Haldex®Trailer ValveUniversal Trailer Valve by Haldex®. RT4 Multi-Function. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...Meets all FMVSS-121 trailer requirements for spring brake control and other regulations from October 1992 to presentInterchangeable with competitive units$150.61
- Haldex®Two-Line Tractor Protection ValveUniversal Two-Line Tractor Protection Valve by Haldex®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...Manifold StyleCan replace up to four valves on competitive systems$244.08
- Raybestos®Element3™ Front Drum Brake Wheel CylinderGMC B-Series 1981, Element3™ Front Drum Brake Wheel Cylinder by Raybestos®. Element3 Wheel Cylinders fit each application as well as the original. Delivers leak-free performance and maximum service life.Vehicle Specific Designs: Match OE form, fit and function; superior resistance to heat, corrosion and leakage100% Pressure Tested: Dependable operation and leak-free performance$25.19 - $36.60
- Raybestos®Element3™ Rear Drum Brake Wheel CylinderGMC B-Series 1981, Element3™ Rear Drum Brake Wheel Cylinder by Raybestos®. Element3 Wheel Cylinders fit each application as well as the original. Delivers leak-free performance and maximum service life.Vehicle Specific Designs: Match OE form, fit and function; superior resistance to heat, corrosion and leakage100% Pressure Tested: Dependable operation and leak-free performance$21.77 - $34.40
- R1 Concepts®Front Drum Brake Wheel CylinderGMC B-Series 1981, Front Drum Brake Wheel Cylinder by R1 Concepts®. R1 Concepts drum brake wheel cylinder are manufactured to the standards of the original equipment manufacturer (OEM) and are guaranteed to meet or exceed the OEM's...Vehicle specific design which meets or exceeds OEM specifications for exact fitment and equal or improved performanceManufactured with high quality materials which guarantees appropriate weight and strength$17.87 - $26.99
- R1 Concepts®Rear Drum Brake Wheel CylinderGMC B-Series with 381mm (15") x 152.4mm (6") Rear - 88.9mm (3.5") Front Shoe / with 381mm (15") x 177.8mm (7") Brakes 1981, Rear Drum Brake Wheel Cylinder by R1 Concepts®. R1 Concepts drum brake wheel cylinder are manufactured to the...Vehicle specific design which meets or exceeds OEM specifications for exact fitment and equal or improved performanceManufactured with high quality materials which guarantees appropriate weight and strength$26.25
- DFC®Front Drum Brake Wheel CylinderGMC B-Series Front Drum Brakes 1981, Front Drum Brake Wheel Cylinder by DFC®. DFC wheel cylinders are manufactured to OEM specifications to ensure proper form, fitment, and function. Units are 100% pressure tested to eliminate defects...Matches OEM specifications for proper form, fit, and functionManufactured to highest international quality control standards to eliminate defects$17.24 - $26.03
- DFC®Rear Drum Brake Wheel CylinderGMC B-Series with School Bus 1981, Rear Drum Brake Wheel Cylinder by DFC®. DFC wheel cylinders are manufactured to OEM specifications to ensure proper form, fitment, and function. Units are 100% pressure tested to eliminate defects and...Matches OEM specifications for proper form, fit, and functionManufactured to highest international quality control standards to eliminate defects$20.08 - $26.39
- ACDelco®Gold™ Front Drum Brake Wheel CylinderGMC B-Series Front Drum Brakes 1981, Gold™ Front Drum Brake Wheel Cylinder by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for...Engineered to exacting tolerances for outstanding performanceBuilt to fit most cars on the road today$36.94 - $66.59