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Excavator Alternator 12V - Replaces 0R9699

Excavator Alternator 12V - Replaces 0R9699

SKU:400-52092

Regular price £264.30 GBP
Regular price £317.16 GBP Sale price £264.30 GBP
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Caterpillar Alternator

Fits 302.5C, 303 CR (90 Amp)

Keep your Caterpillar running with this 90 Amp 12V replacement alternator. Designed as a direct-fit replacement for the excavators - mini listed below, it delivers reliable charging for standard and accessory electrical loads.

This unit features an internal fan (IF) and an internal regulator (IR), and is supplied with a V2 pulley already fitted.

DIRECT FIT: Replaces Arrowhead AND0558 — no modification required on the machines listed below.

Key Features

  • ✔High Capacity: 90 Amps of charging output.
  • ✔Direct Replacement: Replaces Arrowhead AND0558.
  • ✔Pulley Fitted: V2 pulley installed and ready to fit.
  • ✔Robust Design: IF fan. IR regulator.
  • ✔Quality Assured: New aftermarket unit, 12 month warranty.

Technical Specs

Voltage: 12 Volts
Amperage: 90 Amps
Rotation: CW (Clockwise)
Pulley: V2 (Twin Groove)
Regulator: Internal (IR)
Fan Type: Internal (IF)
Clock: 12
SKU Reference: 400-52092

Vehicle Fitment Guide

Make Equipment Type Models
Caterpillar Excavators - Mini 302.5C, 303 CR

OEM Part Number Cross Reference

Arrowhead AND0558, 400-52092, ND102211-1830
Caterpillar 0R9699, 144-9963
Denso 102211-1830, 102211-9010
J&N Electrical Products 400-52092, 400-52092R
Lester 11633
Mitsubishi Industrial 32868-03201

Frequently Asked Questions

Will this fit my Caterpillar 302.5C?

Yes — the 302.5C appears in the fitment guide above. Check your existing part number against the cross reference table to confirm.

Is this a 90 Amp alternator?

Yes, this is a 90 Amp 12V unit with an IR regulator.

Is the pulley included?

Yes, a V2 pulley is pre-installed.

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