HomeBrake > Service KitsDynamite Friction 370-47021 Drum Brake Hardware Kit - Rear
Part #: W37100

Dynamite Friction 370-47021 Drum Brake Hardware Kit - Rear

DFC Drum Brake Hardware Kit
23 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
DFC Drum Brake Hardware Kit
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Reliable Drum Brake Hardware for Chevrolet Trucks

The Dynamite Friction DFC Drum Brake Hardware Kit 370-47021 is designed to restore proper function to the drum brake systems on select Chevrolet trucks. This kit provides the essential components needed to maintain brake performance and safety on models such as the Chevrolet C20, K20, and G30.

  • Complete drum brake hardware kit for Chevrolet C20, C20 Suburban, C30, G30, K20, K20 Suburban, and P20 models
  • Includes all necessary springs and clips to ensure secure brake shoe operation
  • Part number 370-47021 for precise identification and compatibility
  • Manufactured by Dynamite Friction, a trusted name in brake components
  • Designed to meet or exceed OEM specifications for reliable fit and function

About the DFC Drum Brake Hardware Kit Line

The DFC Drum Brake Hardware Kit line from Dynamite Friction focuses on providing comprehensive hardware solutions for drum brake systems. These kits include all the critical components required to replace worn or damaged hardware, helping to maintain consistent brake shoe movement and prevent uneven wear. The 370-47021 kit is part of this line, tailored specifically for Chevrolet truck models to ensure proper fitment and brake system reliability.

Product Details and Compatibility

This drum brake hardware kit is compatible with Chevrolet trucks including the C20, C20 Suburban, C30, G30, K20, K20 Suburban, and P20. The kit contains the springs, retainers, and clips necessary to replace the original hardware that secures the brake shoes within the drum assembly. Using part number 370-47021 ensures you receive the correct components designed for these specific vehicle models, helping to maintain braking efficiency and safety.

Common Issues Addressed by This Hardware Kit

  • Brake shoe misalignment causing uneven wear
  • Weak or broken return springs reducing brake responsiveness
  • Loose or missing hardware leading to brake noise or vibration
  • Corroded or fatigued clips affecting brake shoe retention
  • General hardware wear from extended use or harsh conditions

Installation Notes and Tips

  • Ensure the vehicle is securely lifted and supported before beginning brake work
  • Clean the backing plate and inspect brake shoes and drums for wear before installing new hardware
  • Use appropriate tools to avoid damaging springs and clips during installation
  • Replace hardware on both sides of the axle to maintain balanced braking
  • Consult the vehicle’s service manual for torque specifications and detailed procedures

Quality Assurance and Warranty

Dynamite Friction manufactures the DFC Drum Brake Hardware Kit 370-47021 to meet industry standards for durability and performance. While specific warranty details are not provided, Dynamite Friction products are generally backed by quality control processes to ensure reliable operation when installed correctly. Always verify warranty terms with the product documentation or supplier.

BrandDorman
Part NumberW37100
PositionDFC Drum Brake Hardware Kit
Bleeder Screw Cap IncludedNo
Bleeder Screw IncludedYes
Bore Diameter1.125
Brake Component Inlet Thread Size7/16-20 UNF
Brake Line Inlet Thread Diameter0.437
Casting MaterialCast Iron
Package Contents1 Drum Brake Wheel Cylinder

This part fits 23 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
1975ChevroletC20Rear13 inch Rear Drums and JB7 Brakes; DFC Drum Brake Hardware Kit
1975ChevroletC20 SuburbanRear13 inch Rear Drums, JB7 Brakes, Over 7100 Gross Vehicle Weight (GVW); DFC Drum Brake Hardware Kit
1975ChevroletC30Rear3-1/2 inch Rear Shoes, JB8 Brakes; Single Rear Wheels; DFC Drum Brake Hardware Kit
1975ChevroletC30Rear3-1/2 inch Rear Shoes, JB8 Brakes; Dual Rear Wheels; DFC Drum Brake Hardware Kit
1975ChevroletC30Rear2-1/2 inch Rear Shoes, JB7 Brakes; DFC Drum Brake Hardware Kit
1975ChevroletG30RearSingle Rear Wheels; DFC Drum Brake Hardware Kit
1975ChevroletG30RearFor vehicles with dual rear wheels.; DFC Drum Brake Hardware Kit
1975ChevroletK20Rear13 inch Rear Drums; JB7 Brakes; Rotor Only; DFC Drum Brake Hardware Kit
1975ChevroletK20 SuburbanRear13-inch rear disc brake pads; DFC Drum Brake Hardware Kit
1975ChevroletP20Rear13 inch Rear Drums; JB7 Brakes; DFC Drum Brake Hardware Kit
1975GMCG35RearFor vehicles with dual rear wheels.; DFC Drum Brake Hardware Kit
1975GMCG35RearSingle Rear Wheels; DFC Drum Brake Hardware Kit
1974ChevroletC20 SuburbanRear13 inch Rear Drums, JB7 Brakes, Over 7100 Gross Vehicle Weight (GVW); DFC Drum Brake Hardware Kit
1974ChevroletK20 Suburban4WDRear13-inch rear disc brake pads; DFC Drum Brake Hardware Kit
1974GMCG35/G3500 VanRearFor vehicles with dual rear wheels.; DFC Drum Brake Hardware Kit
1974GMCG35/G3500 VanRearSingle Rear Wheels; DFC Drum Brake Hardware Kit
1973ChevroletC20 SuburbanRear13-inch rear disc brake pads; DFC Drum Brake Hardware Kit
1973ChevroletK20 SuburbanRear13-inch rear drums only; rotor not included; DFC Drum Brake Hardware Kit
1973GMCG35/G3500 VanRearFor vehicles with dual rear wheels.; DFC Drum Brake Hardware Kit
1972ChevroletK20 SuburbanRear13-inch rear drums only; rotor not included; DFC Drum Brake Hardware Kit
1972GMCG35/G3500 VanRearDFC Drum Brake Hardware Kit
1971GMCG35/G3500 VanRearDFC Drum Brake Hardware Kit
1970GMCG35/G3500 VanRearDFC Drum Brake Hardware Kit

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

134.6203533525546805484-36035F71200W-82035W906246WC13525WC37100

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.