Eastern Primary Chain Adjuster Spring A-40019-80A for Harley-Davidson XL (1977–1985)

Primary chain tensioner spring for Harley-Davidson XL models, part number A-40019-80A. OEM cross reference: 40019-80A. Manufactured in the USA.

Designed specifically for Harley-Davidson XL bikes from 1977 to 1985, this spring restores the factory feel and function of the primary chain drive, ensuring proper tension and smooth operation.

• UOM: Pack (PK)
• Country of Origin: USA
• OEM Cross Reference: 40019-80A
• Fitment: Harley-Davidson XL 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985
• Provides proper tension for the primary chain drive
• Supports longevity and reliable performance of primary drive components
• Easy to install for routine maintenance or restoration

Easy to install and designed to work with other OEM parts and aftermarket accessories, this spring helps prevent chain slippage and excessive wear, contributing to the overall safety and longevity of your motorcycle’s primary drive.

To complete a repair or restoration, consider accessory items such as the Primary Chain Adjuster Shoe Kit, Adjuster Screw, Chain Shoe Carrier, Nylon Primary Chain Pad, and Chain Shoe Stud Adjuster.

Primary Adjuster Shoe Spring 1977-1985

Upgrade your Harley Davidson XL with the Eastern Primary Chain Adjuster Spring, part number A-40019-80A. Designed specifically for models from 1977 to 1985, this OEM cross-referenced component offers reliable performance and durability. Crafted in the USA, this spring ensures proper tension and smooth operation of your primary chain system, helping to maintain optimal engine performance. Its precise design guarantees a perfect fit for your vintage Harley, restoring the factory feel and function.
The adjuster spring works seamlessly with other OEM parts and aftermarket accessories, providing a dependable solution for primary chain maintenance. Whether you're performing routine repairs or restoring your bike, this spring is a vital component that contributes to the overall longevity and safety of your motorcycle. Easy to install, it helps maintain the correct chain tension, preventing slippage and excessive wear, ultimately extending the lifespan of your primary drive components.
In addition to the spring, consider accessory items such as the Primary Chain Adjuster Shoe Kit, Adjuster Screw, Chain Shoe Carrier, Nylon Primary Chain Pad, and Chain Shoe Stud Adjuster to complete your repair or restoration project. Manufactured to high standards, the Eastern Primary Chain Adjuster Spring combines quality and performance, making it a reliable choice for Harley Davidson enthusiasts seeking original equipment specifications.

Features:

• UOM: Pack (PK)

• Country of Origin: USA

• OEM Cross Reference: 40019-80A

• Designed specifically for Harley Davidson XL models from 1977 to 1985

• Provides proper tension for primary chain drive

• Ensures smooth operation and longevity of primary drive components

• Easy to install for routine maintenance or restoration

Fitment:
Harley Davidson XL 1977
Harley Davidson XL 1978
Harley Davidson XL 1979
Harley Davidson XL 1980
Harley Davidson XL 1981
Harley Davidson XL 1982
Harley Davidson XL 1983
Harley Davidson XL 1984
Harley Davidson XL 1985