Air and Fuel Fuel Pumps, Regulators and Components

Aeromotive

Aeromotive Pulley HTD 5M 56-tooth 1/2in Bore

$163.24

SKU: A006 21123

In Stock
In Stock
Ships by Jun 11
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Aeromotive 21123 is a pulley designed for HTD style belts. It features 56 teeth and a 1/2-inch bore. This pulley is intended to convert Aeromotive Gerotor style mechanical fuel pumps from Gilmer style pulleys to the HTD style.

It is designed for a 5M pitch, 15mm wide HTD drive belt and is compatible with a 1/2-inch drive shaft with a 1/8-inch keyway. This pulley is specifically for use with Aeromotive P/N 11105 and 11107 Belt Drive Fuel Pumps.

Fitment

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Specifications

BrandAeromotive
Part NumberA006 21123

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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