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Aeromotive 28-Tooth Pulley - Aeromotive 21109
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Aeromotive 28-Tooth Pulley

Aeromotive
AER21109
684980002713
Pulleys - Crank, Underdrive
23 Units In Stock
$ 197.63 $ 175.38
$ 175.38

This Aeromotive component is the 28-Tooth Pulley. Confirm its exact dimensions, interfaces, materials, and system compatibility before ordering. Use it only with the matching Aeromotive assembly or documented vehicle system.

Fitment

Years Make Model Application
Universal or specification-matched application. Verify every pressure, flow, fuel, port, electrical, dimensional, and system requirement.

Specifications

Brand Aeromotive
Manufacturer Part Number 21109
Product Type Pulleys - Crank, Underdrive
Condition New
Configuration 28-Tooth Pulley

What's Included

One Aeromotive pulleys - crank, underdrive in the exact configuration and quantity identified by this listing. Additional fittings, hoses, filters, wiring, relays, regulators, brackets, seals, tuning, and hardware are included only when expressly stated.

About Aeromotive

Aeromotive engineers performance fuel pumps, regulators, filters, tanks, rails, fittings, and control hardware for correctly designed street, racing, and powersports fuel systems.

Important Disclosures

  • Emissions use restrictions apply. Confirm the current manufacturer classification and all federal, state, and local requirements before purchase or installation.
  • California Proposition 65 warning: this product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.

Related Parts

Frequently Asked Questions

How do I confirm the 28-Tooth Pulley matches my system?
Match the exact dimensions, interfaces, operating range, materials, and manufacturer application for this part number.

Are supporting parts included?
Only items expressly listed for this exact configuration are included. Fittings, wiring, lines, seals, brackets, and hardware may be separate.

Is professional installation recommended?
Yes when the work affects fuel, pressurized fluid, electrical supply, calibration, or safety-critical mounting.

What should be tested before driving?
Inspect mounting and clearance, pressure- or leak-test the system, verify electrical operation where applicable, and correct every fault before use.

Installation Instructions

  1. Confirm Aeromotive part number 21109, the complete system design, fuel or fluid type, and all required supporting components.
  2. Compare every mounting point, dimension, interface, and included item before modifying the vehicle.
  3. Follow Aeromotive's current instructions and the vehicle service procedure for this exact component.
  4. Verify secure installation, safe clearance, and normal system operation before driving.
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Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

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