GMT400 Truck Frame Diagram
Use the interactive diagram by clicking on the part numbers for more information
GMT400-RMHK1 Rear Brake Line / Harness Clip
This clip supports the rear brake line and wiring harness. Replaces GM 15567783
GMT400-FKB 4-Line Bracket
Available in two kit styles, early and late, determined by which style clip holds your TBI supply and return lines. Early style clip was T-shaped and the later style was a tray. If you have a CCLB, make sure you count the number of 4-line connectors (GMT400-FKB) and order accordingly.
GMT400-FKA Fuel Filter Bracket
Available in two kit styles, early and late, determined by which style clip holds your TBI supply and return lines. Early style clip was T-shaped and the later style was a tray. If you have a CCLB, make sure you count the number of 4-line connectors (GMT400-FKB) and order accordingly.
GMT400-FKC 3-Line Spacer Clip
Available in two kit styles, early and late, determined by which style clip holds your TBI supply and return lines. Early style clip was T-shaped and the later style was a tray. If you have a CCLB, make sure you count the number of 4-line connectors (GMT400-FKB) and order accordingly.
GMT400-FKL Rear Brake / Fuel Vapor / Harness Clip
Available in two kit styles, early and late, determined by which style clip holds your TBI supply and return lines. Early style clip was T-shaped and the later style was a tray. If you have a CCLB, make sure you count the number of 4-line connectors (GMT400-FKB) and order accordingly.
GMT400-FKK/I 2-Line Rear Brake / Fuel Vapor Clip
Production styles changed on this bracket somewhere in the early / mid-90s and varies between truck and SUV platforms. Essentially, either bracket works regardless of model year application, but right is right.
Early Style (GMT400-FKK) holds lines closer to the frame
Later Style (GMT400-FKI) holds lines higher off the frame
GMT400-BKF Front Brake Line Clip
There are four of these clips that hold the front brake line to the frame: one just before each flex hose and two on the lower crossmember.
GMT400-FKE/F Fuel Supply / Return Clips
Available in two kit styles, early and late, determined by which style clip holds your TBI supply and return lines. Early style clip was T-shaped and the later style was a tray. If you have a CCLB, make sure you count the number of 4-line connectors (GMT400-FKB) and order accordingly.
This GMT400 Chevy GMC Truck Frame Diagram is designed to show you all the locations for frame brackets and clips throughout the 12 year production span of the GMT400 platform. Not all of these brackets and clips are found on every model year as applications changed over the life of the platform, so it is important to know what you need. Feel free to reach out and ask a question.
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GMT400 Chevy GMC Truck Frame Diagram is copyright Old Body SOS Parts, LLC and may not be redistributed or repurposed without consent.

