US Parts Catalog · G503 · MB / GPW

Brake system

Assembly drawings with original part markings from ORD 9 SNL G-503.

← All diagram groups

Source: ORD 9 SNL G-503, 1949 release, Ford and Willys, ¼-ton 4×4. Marks and legends of the original catalog are preserved. The catalog also shows different versions; check the year and installed assembly before selecting a part. For CJ models, use their separate catalogs.

Wheel brake

Wheel Brake - Original Drawing ORD 9 G503 with Parts Markings
Wheel brake · ORD 9 G503 · PDF page 198 · Open in catalog ↗

MB · related parts

Find the part in the MB catalog

The number opens the correct field in the Spare Parts List. The position label is overwritten where it is reliably legible; "assembly" means the whole assembly or part without a separate letter designation. Name substitutions and differences are explained with the section.

Pos.Part / name in existing listDesignation from drawing / sourceMB part number
BBrake Anchor PinWheel brakeBX-39953Source · PDF 210 · Drawing ↑637899 ↗brake system · MB
CBrake Shoe EccentricWheel brakeBX-45771Source · PDF 209 · Drawing ↑A754 ↗brake system · MB
KBrake Anchor Pin CamWheel brakeBX-41876Source · PDF 209 · Drawing ↑637900 ↗brake system · MB
FBrake Shoe Return Spring Cylinder EndWheel brakeBX-41545Source · PDF 210 · Drawing ↑637905 ↗brake system · MB
—Front Brake Cylinder BootService brake cylinderSource difference: ORD 9 lists the rear cylinder sleeve here, and the existing chart lists the front. Check dimensions and performance.LO-FC5994Source · PDF 214 · Drawing ↑637546 ↗brake system · MB
BFront Brake Cylinder PistonService brake cylinderLO-FC5997Source · PDF 214 · Drawing ↑637577 ↗brake system · MB
FFront Brake Cylinder CupService brake cylinderLO-FC1499Source · PDF 214 · Drawing ↑637579 ↗brake system · MB
NEmergency Brake Drumparking brake — external typeSP-20B62Source · PDF 204 · Drawing ↑A1002 ↗brake system · MB
FBrake Shoe EccentricBrake Line Distribution — ContinuedBX-45771Source · PDF 209 · Drawing ↑A754 ↗brake system · MB
GFront parking brake cableBrake Line Distribution — ContinuedFixed number swapping in earlier MB table. The original ORD confirms the number and description; the previous entry remains listed in the catalog.View details · PDF 201WO-A1241Source · PDF 202 · Drawing ↑A1241 ↗
KParking brake handle with catchBrake Line Distribution — ContinuedFixed number swapping in earlier MB table. The original ORD confirms the number and description; the previous entry remains listed in the catalog.View details · PDF 201WO-A1242Source · PDF 202 · Drawing ↑A1242 ↗
QEmergency Brake DrumBrake Line Distribution — ContinuedSP-20B62Source · PDF 204 · Drawing ↑A1002 ↗brake system · MB
AFBrake Anchor PinBrake Line Distribution — ContinuedBX-39953Source · PDF 210 · Drawing ↑637899 ↗brake system · MB
AssemblyHand Brake Adjusting Bracketparking brake — internal typeThe number and description are confirmed in the original table. The picture shows the associated assembly; individual letter position is not reliably read.WO-A10330Source · PDF 206 · Drawing ↑Ford · GPW2606A10330 ↗brake system · MB
AssemblyRear Brake Cylinder PistonService brake cylinderThe number and description are confirmed in the original table. The picture shows the associated assembly; individual letter position is not reliably read.WO-A6113Source · PDF 215 · Drawing ↑Ford · GPW2196A6113 ↗brake system · MB
AssemblyRear Brake Cylinder SpringService brake cylinderThe number and description are confirmed in the original table. The picture shows the associated assembly; individual letter position is not reliably read.WO-637545Source · PDF 215 · Drawing ↑637545 ↗brake system · MB
AssemblyRear Brake Cylinder CupService brake cylinderRear working cylinder sleeve; check the cylinder diameter according to the original table. The number and description are confirmed in the original table. The picture shows the associated assembly; individual letter position is not reliably read.WO-A6116Source · PDF 214 · Drawing ↑Ford · GPW2201A6116 ↗brake system · MB
DBrake Tube TeeOriginal overview of MB/GPW assembliesWO-637432Source · PDF 188 · Drawing ↑637432 ↗brake system · MB

The same PN in multiple places does not automatically validate each year, country or performance. The original data is preserved; note indicates the difference between the sources.

Brake master cylinder

Brake Master Cylinder - Original Drawing ORD 9 G503 with Parts Markings
Brake master cylinder · ORD 9 G503 · PDF page 199 · Open in catalog ↗

Service brake cylinder

Brake Master Cylinder - Original Drawing ORD 9 G503 with Parts Markings
Master brake cylinder · ORD 9 G503 · PDF page 200 · Open in catalog ↗

parking brake — external type

parking brake - external type - original drawing ORD 9 G503 with part markings
parking brake — external type · ORD 9 G503 · PDF page 196 · Open in catalog ↗

parking brake — internal type

parking brake - internal type - original drawing ORD 9 G503 with part markings
parking brake — internal type · ORD 9 G503 · PDF page 197 · Open in catalog ↗

Distribution of brake pipes

Brake Pipe Manifold - ORD 9 G503 Original Drawing with Parts Markings
Brake pipe distribution · ORD 9 G503 · PDF page 201 · Open in catalog ↗

Brake Line Distribution — Continued

Brake Pipe Distribution — Continued — Original Drawing ORD 9 G503 with Part Designations
Brake Line Distribution — Continued · ORD 9 G503 · PDF Page 202 · Open in catalog ↗
Original catalogs and service manual

ORD 9 SNL G-503 — Full Parts Catalog (PDF)

TM 10-1513 - Service Chapter for this assembly (PDF)

Page numbers with drawings indicate pages of the PDF file; printed numbering may vary. For the chassis, body and some equipment, an overview of the assembly is shown, according to the original catalog.

Original overview of MB/GPW assemblies

Original overview of MB/GPW assemblies
Original ORD 9 G503 · PDF 188 · linked assembly view.

Original ORD · PDF 157

Original assembly from ORD catalog, PDF 157