SKU:9700-1

Colony Parkerized Transmission Fill Plug 7/8-18 Harley-Davidson EL UL 1936-41

Colony Parkerized Transmission Fill Plug 7/8-18 Harley-Davidson EL UL 1936-41

Regular price $12.99 USD
Sale price $12.99 USD Regular price
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Colony Parkerized Transmission Fill Plug for 1936–1941 Harley-Davidson EL/UL

Colony Parkerized Transmission Fill Plug with a 7/8-18 thread provides a secure, durable refill point for Harley-Davidson transmissions of the EL and UL series from 1936 through 1941.

Crafted with a Parkerized finish for corrosion resistance and long-term durability, this USA-made plug blends authentic craftsmanship with a clean, period-accurate appearance that matches original equipment standards.

  • Thread Size: 7/8-18
  • Finish: Parkerized
  • Country of Origin: Made in the USA
  • Compatibility: Harley-Davidson EL and UL models 1936–1941

Designed for precise fit and leak prevention, it supports routine maintenance and vintage restorations, helping keep your transmission healthy and leak-free during rides or show days.

Its straightforward installation and compatibility with standard maintenance tools make it a practical addition to restoration projects, and it pairs well with common tools used in Harley maintenance, such as the adjustable reamer kick starter shaft tool, mainshaft starter clutch puller, and counter sprocket nut tool.

Invest in this authentic OEM part to preserve your Harley-Davidson's performance and vintage appeal for years to come.

Parkerized transmission fill plug has a thread size of 7/8- 18

Ensure reliable transmission maintenance with the Colony Parkerized Transmission Fill Plug, designed specifically for classic Harley Davidson models from 1936 to 1941. This durable fill plug features a 7/8-18 thread size, providing a secure fit for your vintage motorcycle's transmission system. Constructed in the USA, it offers high-quality craftsmanship and corrosion resistance, making it a dependable replacement part for your restoration or repair project. The Parkerized finish enhances durability and provides a sleek, professional appearance that matches the original equipment standards.
Whether you're performing routine maintenance or restoring a vintage Harley, this transmission fill plug is engineered for precise fit and long-lasting performance. Its straightforward installation process ensures compatibility with models including the Harley Davidson EL and UL series from 1936 through 1941. The plug's design helps prevent leaks and contamination, contributing to the overall health of your motorcycle's transmission system. Additionally, it pairs well with essential accessory tools such as the adjustable reamer kick starter shaft tool, mainshaft starter clutch puller, and counter sprocket nut tool, ensuring you have everything needed for comprehensive maintenance.
Invest in this authentic OEM part to keep your Harley Davidson running smoothly and preserve its vintage appeal. The Colony Parkerized Transmission Fill Plug offers a perfect blend of functionality, durability, and original craftsmanship, supporting your motorcycle's performance for years to come.

Features:

  • Thread Size: 7/8-18 for secure fit and easy installation
  • Material: Parkerized finish for corrosion resistance and durability
  • Country of Origin: Made in the USA with high-quality standards
  • Compatibility: Fits Harley Davidson EL and UL models from 1936 to 1941
  • Design: Engineered for precise fit and leak prevention

Fitment:
Harley Davidson EL 1936
Harley Davidson EL 1937
Harley Davidson EL 1938
Harley Davidson EL 1939
Harley Davidson EL 1940
Harley Davidson FL 1941
Harley Davidson FL 1942
Harley Davidson FL 1943
Harley Davidson FL 1944
Harley Davidson FL 1945
Harley Davidson FL 1946
Harley Davidson FL 1947
Harley Davidson FL 1948
Harley Davidson FL 1949
Harley Davidson FL 1950
Harley Davidson FL 1951
Harley Davidson FL 1952
Harley Davidson FL 1953
Harley Davidson FL 1954
Harley Davidson FL 1955
Harley Davidson FL 1956
Harley Davidson FL 1957
Harley Davidson FL 1958
Harley Davidson FL 1959
Harley Davidson FL 1960
Harley Davidson FL 1961
Harley Davidson FL 1962
Harley Davidson FL 1963
Harley Davidson FL 1964
Harley Davidson FL 1965
Harley Davidson FL 1966
Harley Davidson FL 1967
Harley Davidson FL 1968
Harley Davidson FL 1969
Harley Davidson FL 1970
Harley Davidson FL 1971
Harley Davidson FL 1972
Harley Davidson FL 1973
Harley Davidson FL 1974
Harley Davidson FL 1975
Harley Davidson FL 1976
Harley Davidson FL 1977
Harley Davidson FL 1978
Harley Davidson FL 1979
Harley Davidson FL 1980
Harley Davidson FL 1981
Harley Davidson FL 1982
Harley Davidson FL 1983
Harley Davidson FL 1984
Harley Davidson FX 1971
Harley Davidson FX 1972
Harley Davidson FX 1973
Harley Davidson FX 1974
Harley Davidson FX 1975
Harley Davidson FX 1976
Harley Davidson FX 1977
Harley Davidson FX 1978
Harley Davidson FX 1979
Harley Davidson FX 1980
Harley Davidson FX 1981
Harley Davidson FX 1982
Harley Davidson FX 1983
Harley Davidson FX 1984
Harley Davidson UL 1937
Harley Davidson UL 1938
Harley Davidson UL 1939
Harley Davidson UL 1940
Harley Davidson UL 1941
Harley Davidson UL 1942
Harley Davidson UL 1943
Harley Davidson UL 1944
Harley Davidson UL 1945
Harley Davidson UL 1946
Harley Davidson UL 1947
Harley Davidson UL 1948

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