Ignitions and Electrical› Charging Systems

REMY

IMPORT ALTERNATOR

$688.37

SKU: R06B 20021

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This Remy 20021 Premium Remanufactured Alternator is specifically designed for powerful performance in Ram 3500, 4500, and 5500 models. With an impressive 220 amperage rating, it ensures your heavy-duty truck has the reliable power needed to run efficiently, even under demanding conditions. Engineered with precision, this alternator features an external regulator and a serpentine pulley system to guarantee optimal operation and longevity. Replacing your alternator is critical in maintaining your vehicle's health. Common symptoms indicating alternator replacement include dim headlights, dead battery, or unusual electrical issues. Designed to meet and exceed OE specifications, the Remy 20021 offers a seamless fit and superior durability. This part is interchangeable with Chrysler and DENSO alternatives, making it a versatile solution for your vehicle's electrical needs.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandREMY
Part NumberR06B 20021

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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