Brake Master Cylinder, 48-66 Willys CJ&M38(A1) Jeep Models

CJ2ACJ3ACJ3BCJ5M38M38A1
Manual available
61,41 €
BTW: 10,66 €
SKU:  WO805223
GTIN (EAN,ISBN): E4M

both mounting holes are NOT threaded, and measure 3 3/8 center to center, early CJ2a has one hole threaded and measure 3 1/8 center to center on the mounting bolts

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War Dept specs from the original Technical Manual — click to open

Brake Master Cylinder, 1948-1966

For late CJ-2A, CJ-3A, CJ-3B, CJ-5, M38 and M38A1

Reproduction brake master cylinder for post-war Willys CJ models and military M38 series with 9" drum brakes. Single reservoir design with frame mounting, suitable for vehicles from 1948 to 1966.

Type

Single reservoir, frame-mounted

Cylinder bore

1 inch (25.4 mm)

Mounting

2 non-threaded through holes

Scope of delivery

Complete with rubber boot

Features

  • Cylinder bore: 1" (25.4 mm)
  • Mounting hole spacing: 3-3/8" (85.7 mm) centre-to-centre
  • Overall length: 7" (178 mm)
  • Both mounting holes non-threaded (through-bolt mounting)
  • Fully assembled with internal components (piston, spring)
  • Rubber dust boot included
  • Original part number: WO-805223

📐 Dimensions

Cylinder bore

1 inch (25.4 mm)

Length

178 mm (7 inch)

Mounting hole spacing

7 mm (3-3/8 inch)

Mounting holes

5 mm (3/8 inch)

★ Fully assembled brake master cylinder with all internal components. Supplied with rubber dust boot. Outlet bolt and copper sealing washers available separately.

⚠ Spotted an error in this description? Report it to info@willys.be

Restoration part — not a ready-to-fit product

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.

COMPATIBLE_MODELS CJ2A, CJ3A, CJ3B, CJ5, M38, M38A1
ALL_CATEGORIES : BRAKES MASTER CYL CJ3A, BRAKES MASTER CYL M38, BRAKES MASTER CYL CJ3B

This part fits:

ModelYears
Military jeeps
Willys M381950, 1951, 1952
Willys M38A11952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971
CJ series
Jeep CJ-2A1945, 1946, 1947, 1948, 1949
Jeep CJ-3A1949, 1950, 1951, 1952, 1953
Jeep CJ-3B1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968
Jeep CJ-51955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983

📐 Diagrams & technical drawings

From the original Technical Manual CJ2A_PL_1949 — Parts List — only for Willys CJ-2A / CJ-3A (1949)

Group 24-06 — Brake Master Cylinder
Group 24-06 — Brake Master Cylinder
Page 91–95