20R3890 caterpillar:alternator ALTERNATOR GP -B


20R3890 ALTERNATOR GP -B Caterpillar




Buy caterpillar:alternator ALTERNATOR GP -B 20R3890 genuine, new aftermarket tractor parts with delivery

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$129.93

14 Jan 2026
15.0[6.75] Pounds
US: Quality Solutio
New Alternator 24 Volt 75 Amp w 8 Groove Pulley for Caterpillar Ag & Industrial Applications 914G 1995-2014, 420E 2006-2012, CP56 CS64 08-12, 21127 8600573 20R3890 234-3463 399-1485 101-03204 A-1827
Gladiator Meets or Exceeds OEM Specifications || One Year Warranty || 100% Computer Load Tested for Reliability || Delco Style 13SI CW Rotation J180 Mount
$128.95

14 Jan 2026
15.04[6.77] Pounds
US: OEG Parts
OEG Parts New Alternator Compatible With Caterpillar Compactor CP56 CP76 CP54 CP64 CP74 C4 C6 3054E M313 M315 M316 M317 20R-3890, 234-3463, 399-1485, 8600573, 8600686, 399148
Parts Player Replacement Part Numbers: 20R3890, 8600686, 8600573, 399-1485, 3991485, 399148, 234-3463, 2343463, 20R-3890 || Condition: New; Unit Series: 13SI; Voltage: 24V; Amperage: 75A; Rotation: CW; Regulator/Fan: IR/IF; Pulley Class: S8; Mounting Hardware Included: No; Country of Origin: CN || Brand New Alternator - Manufactured With New Premium Quality Components - Engineered To Meet Or Exceed OEM Specifications - Tested For Reliability, Durability And Performance || See Product Description for Additional Specifications
$325.00

17 Dec 2025

CN: BCXFORK
BCXFORK 24V 75A Alternator Compatible for Caterpillar 3054C 3054E 3056E 420D 420EIT Replace 20R3890 234-3463 2343463
BCXFORK ✅ Part Numbers: 20R3890, 234-3463, 2343463 || ✅ Compatible with: Caterpillar 3054C 3054E 3056E 420D 420EIT || ✅ High Performance Output: Ensures stable charging efficiency, reliable power restoration, and consistent electrical performance for heavy-duty applications || ✅ Installation Notice: Ensure electrical connections are clean and secure || ✅ Fitment Check: Confirm part numbers and vehicle compatibility before purchase


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