5I-8085 – 24V 50A Alternator | CAT | 320C / 315C / 312CL / 320CL / 312 / 320L / etc | Excavator

5I-8085 is a 24v 50a Alternator | CAT | 320C / 315C / 312CL / 320CL / 312 / 315CL / etc | Excavator for a CAT 320C, 315C, 312CL, 320CL, 312, 315CL, 320L, 315BL, 312B,

Category:
Model 320C, 315C, 312CL, 320CL, 312, 320L, 315CL, 315BL, 312B, 320BL, 312BL, 311B, 311, 312C, 311C … show more
Make CAT
Description

Alternator 12 V 50 A, OEM Ref 5I-8085

This charging alternator is designed to supply reliable electrical power and maintain battery charge for Caterpillar excavators. It converts engine mechanical energy into electrical energy to support machine electronics, lighting, and starting systems during operation.

Fitment & Compatibility

Fits:
CAT 320C, 315C, 312CL, 320CL, 312, 315CL, 320L, 315BL, 312B, 320BL, 312BL, 311B, 311, 315L, 311C, 314C, 312C, 318C, 320B, 315B, 318BL, 318B, 314CL, 318CL, 318BN, 320N, 320 (1st Gen – Year <1997), 319CL, 320CS, 321BLCR, 315 (1st Gen – Year <1998), 317BLN, 317BL, and 320BN Excavators
Provide your machine serial number or existing part number to confirm compatibility before ordering.

Key Specifications

  • Part Type: Charging Alternator
  • OEM Reference: 5I-8085
  • Voltage: 12 V
  • Charging Output: 50 Amps
  • Application: Engine electrical charging system

Why Choose This Part

  • Reliable charging performance: Helps maintain battery charge and electrical system stability during machine operation.
  • OEM-spec fitment: Designed to match Caterpillar specifications for compatible excavator models.
  • Durable construction: Built to withstand vibration, heat, and demanding jobsite conditions.
  • Broad excavator compatibility: Supports numerous CAT excavator models used in construction and earthmoving applications.

Additional Details

This alternator plays a critical role in maintaining electrical system reliability by providing consistent voltage output while the engine is running. Confirm compatibility using your machine serial number or existing part reference before installation.

Buying Power

With over 500,000 parts shipped and counting, we can buy parts at below wholesale prices, which we pass those savings onto our customers. With such a high volume of customers, we get the best pricing on parts and shipping. Learn more about Best Equipment Parts Sales’ Buying Power here.

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Our inventory consists of over 3,000 parts suppliers from around the world. With parts warehouses, salvage yards and new aftermarket suppliers at our fingertips, we’re your best resource when you need heavy equipment parts fast.

Backed by Experts

Best Equipment Parts Sales has over 70+ highly trained and experienced parts specialists that are the best in the industry at identifying what parts you actually need and getting them to your doorstep – FAST. If you are not 100% sure about exactly what you need, or have other questions, give our team a call at 716-836-5069 from 8 AM to 6 PM Monday through Thursday, and 8 AM to 5 PM on Friday. If after hours – leave a message or complete this Form and we will call you back the next business day.

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