Parts Diagram

GMT400 Truck Frame Diagram

Use the interactive diagram by clicking on the part numbers for more information

old body sos parts gmt400 obs chevy gmc frame diagram 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000
GMT400-RMHK1 Rear Brake Line / Harness Clip GMT400-FKB 4-Line Bracket GMT400-FKA Fuel Filter Bracket GMT400-FKC 3-Line Spacer Clip GMT400-FKM 3/8 Fuel Supply Line / Harness Clip GMT400-FKL Rear Brake / Fuel Vapor / Harness Clip GMT400-FKK/I 2-Line Rear Brake / Fuel Vapor Clip GMT400-BKF Front Brake Line Clip GMT400-FKN Fuel Vapor Line Clip GMT400-FKE/F Fuel Supply / Return Clips

GMT400-RMHK1 Rear Brake Line / Harness Clip

GMT400RMHK1 GMT400 OBS Chevy GMC rear brake line clip GM 15567783

This clip supports the rear brake line and wiring harness.  Replaces GM 15567783

Available in a set of 5 or individually

GMT400-FKB 4-Line Bracket

GMT400FKB 4 line fuel and brake line bracket for GMT400 OBS Chevy GMC Trucks

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

GMT400FKA GMT400 OBS Chevy GMC Truck 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

GMT400FKC GMT400 OBS Chevy Fuel Line 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

GMT400FKL GMT400 OBS Chevy GMC rear brake line fuel vapor line bracket 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

GMT400FKK-FKI

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

GMT400 OBS 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 Chevy GMC Front Brake Line Clips

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.

Available in a set of four

GMT400-FKE/F Fuel Supply / Return Clips

GMT400FKE-FKF TBI fuel supply line clips for GMT400 OBS Chevy GMC

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.