WAI 6603N Starter
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WAI

WAI 6603N Starter

Brand WAI 6603N
12 12
Design Offset gear reduction
Family Delco
Power Rating 2.9
Starter Rotation Clockwise (right)
Tooth Quantity 10
Mounting Type Flange
Fits —

100% new unit. Not remanufactured, with proprietary components and processes.

Offset gear reduction. Delivers efficient starting power in a compact starter design.

Flange mount design. A straightforward starter configuration for dependable installation.

Cross-references AMS Automotive 6603, AMS Automotive 6863 and 10461474 for the same application. See all 10.

$201.73Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $201.73
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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WAI 6603N Starter Overview

The WAI 6603N starter is a 100% new replacement starter built for vehicles that need reliable cranking power and consistent amp output. It uses an offset gear reduction design with a Delco family layout, clockwise rotation, and a flange mount for direct-fit service where specified.

Built for electrical, charging, and starting system repair, this starter is a practical choice for Ford truck and van applications that call for the 6603N starter configuration.

Key Features

  • Part number: 6603N
  • 100% new starter, not remanufactured
  • Offset gear reduction design for efficient starting performance
  • Delco family construction
  • Clockwise (right) rotation
  • 10-tooth drive gear
  • Flange mounting type
  • 2.9 power rating

Detailed Description

The WAI 6603N is engineered to deliver the amp output needed for modern vehicle starting demands. Its new-build construction uses proprietary components and manufacturing processes aimed at consistent performance and long service life. This starter is commonly referenced for Ford truck and van starter replacement needs, and the 6603N part number is also useful when cross-checking OE and aftermarket listings.

This part cross-references AMS Automotive 6603 and 6863 for the same application.

What It Helps Solve

  • Slow or weak engine cranking
  • No-crank conditions caused by starter failure
  • Intermittent starting after key engagement
  • Grinding or improper starter engagement tied to worn drive components
  • Replacement needs for a Ford truck or van starter listed under 6603N

Installation Notes and Tips

Verify the starter rotation, tooth count, mounting style, and electrical connection requirements before installation. Confirm the vehicle’s original starter configuration against the 6603N part number and OE references to ensure the correct Ford truck or van application. Inspect battery condition, cable integrity, and charging system output during replacement to avoid repeat starting issues.

Quality Assurance

WAI states that this starter is manufactured as a 100% new unit using proprietary components and processes to support long-term performance and dependable operation.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 6603AMS Automotive — 68631046147410479634F7HT-11001-ABF7HT-11001-ACF7HZ-11V002-ABRMF7HZ-11002-ABF7HZ-11002-ABRMRM9U2J11A230CA