CAM BRAKE SHOE ANCHOR PIN
Brake shoe anchor cam
For 9" drum brakes
Adjustable eccentric cam in brass for brake shoe adjustment on 9" drum brakes. This cam is located on the rear of the brake backing plate and works together with the anchor bolt to correctly adjust the brake shoes.
|
Material Brass/bronze |
Application 9" drum brakes |
|
Quantity per wheel 2 pieces |
Part number 637900 |
Features
- Eccentric adjustable cam for brake shoe adjustment
- Brass construction — corrosion resistant
- 2 pieces per wheel required (8 per vehicle)
- Fits to the rear of the brake backing plate
- Suitable for 9" x 1¾" drum brake system
★ Replacement for corrosion-prone original cams. Essential component for correct brake shoe adjustment.
Application
Fits vehicles as listed in the product categories (CJ-2A, CJ-3A, CJ-3B, M38) with 9" drum brakes. To be used in combination with anchor pin 637899.
Installation notes
The two eccentric cams per wheel are turned towards each other to set the correct tension on the brake shoes. Ensure even adjustment left and right. When replacing, check that the anchor pins (637899) are still in good condition.
Compatibility
Only for 9" x 1¾" drum brake system. Not suitable for later models with 10" or 11" brakes.
Historical context
This brass cam construction was used on the early 9" drum brakes of WWII and early post-war jeeps. The eccentric design allowed manual adjustment of the brake shoes without removing the brake drum.
This description was generated automatically. Unsure about fitment? Contact us at info@willys.be.
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This part is intended for the restoration of historic military vehicles. Fitting, aligning, deburring or reworking is part of that work and is inherent to the nature of these goods. Dimensional variation also exists between original vehicles.
Installation requires technical knowledge of the vehicle. Unsure whether this part suits your version? Ask us before purchase at info@willys.be.
ALL_CATEGORIES : BRAKES WHEEL CJ2A, BRAKES WHEEL 1 CJ3A, BRAKES WHEEL M38, BRAKES WHEEL 1 CJ3B
This part fits:
| Model | Years |
|---|---|
| Military jeeps | |
| Willys MB (early) | 1941, 1942 |
| Willys MB | 1942, 1943, 1944, 1945 |
| Ford GPW (early) | 1942 |
| Ford GPW | 1942, 1943, 1944, 1945 |
| Hotchkiss M201 (early) | 1956, 1957, 1958, 1959 |
| Hotchkiss M201 | 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966 |
| Willys M38 | 1950, 1951, 1952 |
| CJ series | |
| Jeep CJ-2A | 1945, 1946, 1947, 1948, 1949 |
| Jeep CJ-3A | 1949, 1950, 1951, 1952, 1953 |
📐 Diagrams & technical drawings
From the original Technical Manual CJ2A_PL_1949 — Parts List — only for Willys CJ-2A / CJ-3A (1949)









