Starter Motor 31A66-00102 for Atlas Excavators / Mitsubishi S4L
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
- Atlas AM29R and AM48R with applicable Mitsubishi S4L
- S4Q2 or S4L2 engines as supplier-listed.
Product Overview
A starter turns the crankshaft fast enough for the engine to fire. Slow cranking or no-crank symptoms can also result from low battery voltage, cables or a faulty starting relay.
Key Features & Performance
- Starter Motor 31A66-00102
- Designed for the listed application when the original dimensions, fitment and reference match.
Common Reasons for Replacement
Worn starter drive, damaged solenoid contacts or internal motor failure confirmed by testing.
Fitment Notes
Compare pinion teeth, rotation, mounting flange and system voltage; the S4L, S4L2 and S4Q2 engines may use different starters.
OE / Reference Numbers
- 31A66-00102
Frequently Asked Questions
Is this a genuine OEM part? No. This listing is for an aftermarket replacement unless otherwise expressly stated. Manufacturer names and reference numbers identify the intended application.
How do I check fitment? Compare pinion teeth, rotation, mounting flange and system voltage; the S4L, S4L2 and S4Q2 engines may use different starters.
Part Summary
keywords: Starter Motor 31A66-00102 for Atlas Excavators / Mitsubishi S4L, 31A66-00102
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.