Home / INDUSTRIAL & AGRICULTURE / AGRICULTURAL & INDUSTRIAL ALTERNATORS / Alternator Replaces Delco 13SI 75A 24V CW 8-Groove Pulley 8600573 8600686 Caterpillar 20R-3890 2343463 3991485
Alternator Replaces Delco 13SI 75A 24V CW 8-Groove Pulley 8600573 8600686 Caterpillar 20R-3890 2343463 3991485
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Alternator Replaces Delco 13SI 75A 24V CW 8-Groove Pulley 8600573 8600686 Caterpillar 20R-3890 2343463 3991485

100% New - Free Shipping! - Expedited rates available in cart
1-Year Warranty - 30-Day Return Policy. Learn More
Item# 21127N
$224.99
$258.99

Availability: Usually ships the next business day

**All parts are 100% brand new and meet or exceed OEM specifications.**
**Units may differ in color from listing photos and are for U.S. Models only (unless otherwise noted)**
**Fitment information below is accurate to the best of our knowledge and should be used for reference only. If you have any questions about fitment, please call our parts specialist before placing your order. For further assistance call 586-257-1515

Product Description

Specifications
MFR: DELCO
Mfr Series: 13SI
AMPERAGE: 75
DESIGN: IR/IF
FEATURE 1: 100% New
PULLEY CLASS: S8
ROTATION: CW
SPECS FOR: Delco 13SI
SPECS: 75 Amp/24 Volt, CW, 8-Groove Pulley
VOLTAGE: 24

REPLACES:
Caterpillar 20R-3890, 234-3463, 399-1485
Delco 8600573, 8600686
Perkins Engine 3991485

USED ON:
Caterpillar Ag. & Ind. (1995-2014)

MCR PART NUMBER: 21127N

**PROP 65 - This product may expose you to chemicals such as Lead, Carbon Black, Silica, Crystalline which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov**.

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