Colony Brass Manifold Seals for Harley Davidson WL Side Valve (1937–1946)

Colony Brass Manifold Seals are crafted for Harley Davidson WL engines from 1937 through 1946, delivering durable brass sealing to prevent intake leaks and maintain engine efficiency on vintage side‑valve configurations.

Designed for a precise fit with the WL’s intake system, these seals align with OEM standards to support reliable performance in both restoration projects and regular maintenance. Made in the USA, they carry OEM cross references for compatibility verification.

• Material: Brass
• Compatibility: Harley Davidson WL models 1937–1946 (Side Valve)
• UOM: Set
• Country of Origin: USA
• OEM Cross Reference: 27058-30, 1118-30A
• Accessory Items: 8228-2 - Cadmium Manifold Nuts; 35-1721 - Sifton Peak Seal Set for Linkert Manifolds; 9422-1 - Intake Manifold Nipple; 8227-2 - Chrome Manifold Nuts

Use these seals to ensure a dependable seal at the intake manifold during restoration or ongoing operation of Harley Davidson WL motorcycles from late 1930s to mid‑1940s, helping preserve performance and engine integrity on classic machines.

Brass manifold seals are for 1937-1973 45 inch models

Ensure optimal performance and sealing with the Colony Brass Manifold Seals designed specifically for Harley Davidson WL models from 1937 through 1946. Crafted from durable brass, these manifold seals provide a reliable barrier to prevent leaks and maintain engine efficiency. Their precise fit ensures seamless integration with your vintage motorcycle's intake system, delivering both performance and peace of mind during rides or restorations. Made in the USA, these seals meet OEM standards, offering quality and compatibility that meet original specifications.

Features:

• Material: Brass construction for durability and reliable sealing

• Compatibility: Fits Harley Davidson WL models from 1937 to 1946

• Country of Origin: USA, ensuring high manufacturing standards

• OEM Cross Reference: 27058-30, 1118-30A for compatibility assurance

• UOM: Set, providing enough components for complete installation

• Accessory Items: 8228-2 - Cadmium Manifold Nuts, 35-1721 - Sifton Peak Seal Set for Linkert Manifolds, 9422-1 - Intake Manifold Nipple, 8227-2 - Chrome Manifold Nuts

Fitment:
Harley Davidson G 1937
Harley Davidson G 1938
Harley Davidson G 1939
Harley Davidson G 1940
Harley Davidson G 1941
Harley Davidson G 1942
Harley Davidson G 1943
Harley Davidson G 1944
Harley Davidson G 1945
Harley Davidson G 1946
Harley Davidson G 1947
Harley Davidson G 1948
Harley Davidson G 1949
Harley Davidson G 1950
Harley Davidson G 1951
Harley Davidson G 1952
Harley Davidson G 1953
Harley Davidson G 1954
Harley Davidson G 1955
Harley Davidson G 1956
Harley Davidson G 1957
Harley Davidson G 1958
Harley Davidson G 1959
Harley Davidson G 1960
Harley Davidson G 1961
Harley Davidson G 1962
Harley Davidson G 1963
Harley Davidson G 1964
Harley Davidson G 1965
Harley Davidson G 1966
Harley Davidson G 1967
Harley Davidson G 1968
Harley Davidson G 1969
Harley Davidson G 1970
Harley Davidson G 1971
Harley Davidson G 1972
Harley Davidson G 1973
Harley Davidson WL 1937
Harley Davidson WL 1938
Harley Davidson WL 1939
Harley Davidson WL 1940
Harley Davidson WL 1941
Harley Davidson WL 1942
Harley Davidson WL 1943
Harley Davidson WL 1944
Harley Davidson WL 1945
Harley Davidson WL 1946
Harley Davidson WL 1947
Harley Davidson WL 1948
Harley Davidson WL 1949
Harley Davidson WL 1950
Harley Davidson WL 1951
Harley Davidson WL 1952