Tools› Hand and Other Tools

LISLE

LINE SOCKET 21MM

$44.49

SKU: L011 12540

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Lisle 12540 Line Socket is a 21mm specialty tool designed for replacing fuel line fittings. It features a 3/8" drive and is engineered to prevent damage to the fitting, fuel rail, and fuel line, thereby reducing the risk of fuel leaks. This socket is specifically designed for Paccar MX 11 and MX 13 engines.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandLISLE
Part NumberL011 12540

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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