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Regulator Rectifier for Delco 17SI, 21SI, 22SI Alternators

Regulator Rectifier for Delco 17SI, 21SI, 22SI Alternators

SKU:ADR1218

Regular price £36.49 GBP
Regular price £43.79 GBP Sale price £36.49 GBP
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Free shipping over £150. Terms apply

Industrial Alternator

Fits listed applications (12V)

Keep your Industrial running with this 12V 12V replacement alternator. Designed as a direct-fit replacement for the machines listed below, it delivers reliable charging for standard and accessory electrical loads.

DIRECT FIT: Replaces Arrowhead ADR1218 — no modification required on the machines listed below.

Key Features

  • Direct Replacement: Replaces Arrowhead ADR1218.
  • Quality Assured: New aftermarket unit, 12 month warranty.

Technical Specs

SKU Reference: ADR1218

OEM Part Number Cross Reference

Arrowhead ADR1218
Delco 10470609, D3992
J&N Electrical Products 172-12026, 172-12028

Frequently Asked Questions

Is this new or remanufactured?

This is a brand new aftermarket unit — not a remanufactured core.

Note: Please verify your machine's serial number or existing part number to ensure compatibility.
Fast shipping available across the UK and Europe.

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Shipping calculated at checkout. Free shipping over £150. Terms apply