Aftermarket Delco Alternator Brushes 38-120

Replace worn alternator brushes with these premium aftermarket replacement brushes designed for compatible Delco alternators. Manufactured from high-quality materials to provide dependable electrical contact, long brush life, and reliable charging system performance.

Product Specifications

Product Type: Alternator Brushes

Manufacturer: Delco

Part Number: 38-120

System Voltage: 12 Volt

Brush Dimensions:

• Brush Size: 4.5 mm (T) × 8.0 mm (W) × 22 mm (L)

• Lead Length: 36 mm

Compatible Alternator Series:

• Delco 24SI HP

• Delco 28SI

• Delco AD230

• Delco AD237

• Delco AD244

• Delco CS130D

• Delco DR44G

• Delco LR630 Series

Design: Internal Regulator / Internal Fan (IR/IF)

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OEM Cross Reference

Delco

• 10476484

Original Reference

• 73-219

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Compatible Lester Numbers

11061, 24094, 8220, 8231-5, 8233-7, 8234-5, 8241, 8243-5, 8246-5, 8277, 8284, 8286, 8290, 8292, 8292-253, 8302, 8490-3, 8490-9, 8491-3, 8492-12, 8493-12, 8493-9, 8494-3, 8495-3, 8540, 8701, 8702, 8703, 8704, 8705, 8718, 8719, 8740, 8741, 8761

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Compatible Applications

Compatible with select alternators used in:

• Blue Bird

• Buick

• Cadillac

• Chevrolet

• Ford

• Freightliner

• GMC

• Honda

• Hummer

• International

• Isuzu

• Kenworth

• Mack

• Mercedes-Benz Heavy Duty

• Miller Applications Technology

• Oldsmobile

• Opel

• Opel LCV

• Peterbilt

• Pontiac

• Porsche

• Saab

• Sterling Truck

• Vauxhall

• Volkswagen

• Volvo

• Western Star

• Willmar

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Features & Benefits

• Premium aftermarket replacement brushes

• Precision manufactured for dependable electrical contact

• Helps restore proper alternator charging performance

• Manufactured from durable, wear-resistant brush material

• Ideal for professional rebuilders, repair shops, and DIY technicians

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Important Information

• Verify your OEM part number, brush dimensions, alternator model, and product photos before ordering.

• Matching the OEM number, Lester number, and brush dimensions is the most accurate method of ensuring proper fitment.

• Vehicle applications are provided as a reference only.

• Compare your original brushes to the product photos and dimensions before purchasing.

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Why Buy From RC Auto Electric?

RC Auto Electric is a trusted supplier of premium-quality alternator and starter components for professional rebuilders, repair shops, and DIY enthusiasts. We are committed to providing reliable replacement parts, accurate fitment information, and exceptional customer service. If you have any questions regarding compatibility, our knowledgeable team is happy to assist before you place your order.