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AC Delco OEM Parts

Discover the trusted reliability of AC Delco — the original equipment manufacturer for General Motors. Our curated collection features a wide selection of high-performance AC Delco parts, including spark plugs, alternators, filters, sensors, batteries, and more. Designed for durability and engineered to meet OEM specifications, AC Delco parts ensure your vehicle runs at peak performance.

Whether you're handling routine maintenance or a full repair, our AC Delco collection supports domestic and import vehicles across all major makes and models. Backed by industry-leading innovation and tested under extreme conditions, every product is built to exceed expectations.

✔️ Genuine OEM-quality components
✔️ Trusted by professionals worldwide
✔️ Broad compatibility for GM and non-GM vehicles
✔️ Competitive pricing & fast U.S. shipping

Upgrade your ride with AC Delco — engineered for excellence.

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Rear Drum Brake Shoe Hold Down Kit

AC Delco
$14.95 - $14.95
$14.95
$14.95 - $14.95
$14.95
Low stock

This rear drum brake shoe hold-down kit provides the essential hardware needed to secure brake shoes in place within your drum brake assembly. The ...

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$14.95 - $14.95
$14.95
$14.95 - $14.95
$14.95
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AC DELCO MR41T4 AC Resistor Spark Plug

AC Delco
$7.19
$7.19 - $7.19
$7.19
$5.00
$5.00 - $5.00
$5.00
In stock

The AC Delco MR41T4 resistor spark plug delivers reliable ignition performance across General Motors vehicles and most other makes and models. Its ...

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$7.19
$7.19 - $7.19
$7.19
$5.00
$5.00 - $5.00
$5.00
Save 30% Save %
Save 30% Save %

AC Resistor Spark Plug #MR43T

AC Delco
$7.04
$7.04 - $7.04
$7.04
$4.95
$4.95 - $4.95
$4.95
In stock

The AC Delco MR43T resistor spark plug is purpose-built for marine engines, delivering dependable ignition across jet boats, inboards, outboards, a...

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$7.04
$7.04 - $7.04
$7.04
$4.95
$4.95 - $4.95
$4.95
Save 30% Save %
Save 24% Save %

AC Resistor Spark Plug MR43LTS

AC Delco
$7.79
$7.79 - $7.79
$7.79
$5.95
$5.95 - $5.95
$5.95
In stock

The AC Delco MR43LTS resistor spark plug is engineered for marine propulsion systems, offering consistent ignition reliability in jet boats, inboar...

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$7.79
$7.79 - $7.79
$7.79
$5.95
$5.95 - $5.95
$5.95
Save 24% Save %
Save 58% Save %

AC 41-993 Iridium Professional Spark Plug

AC Delco
$25.99
$25.99 - $25.99
$25.99
$10.95
$10.95 - $10.95
$10.95
In stock

Smaller, more efficient, Iridium electrode designs improve cold starting and quicker acceleration. Designed to last over 100,000 miles in most appl...

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$25.99
$25.99 - $25.99
$25.99
$10.95
$10.95 - $10.95
$10.95
Save 58% Save %
Save 55% Save %

AC Spark Plug 41-983 Dual Platinum

AC Delco
$21.99
$21.99 - $21.99
$21.99
$9.95
$9.95 - $9.95
$9.95
In stock

The AC Delco 41-983 dual platinum spark plug represents genuine OE engineering backed by General Motors for superior ignition performance. Featurin...

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$21.99
$21.99 - $21.99
$21.99
$9.95
$9.95 - $9.95
$9.95
Save 55% Save %
Save 45% Save %

AC 41-114 Iridium Professional Spark Plug

AC Delco
$26.99
$26.99 - $26.99
$26.99
$14.95
$14.95 - $14.95
$14.95
In stock

Smaller, more efficient, Iridium electrode designs improve cold starting and quicker acceleration. Designed to last over 100,000 miles in most appl...

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$26.99
$26.99 - $26.99
$26.99
$14.95
$14.95 - $14.95
$14.95
Save 45% Save %
Save 45% Save %

AC 41-104 Iridium Professional Spark Plug

AC Delco
$26.99
$26.99 - $26.99
$26.99
$14.95
$14.95 - $14.95
$14.95
In stock

Smaller, more efficient, Iridium electrode designs improve cold starting and quicker acceleration. Designed to last over 100,000 miles in most appl...

View full details
$26.99
$26.99 - $26.99
$26.99
$14.95
$14.95 - $14.95
$14.95
Save 45% Save %
Save 63% Save %

AC 41-101 Iridium Professional Spark Plug, 4/box

AC Delco
$26.99
$26.99 - $26.99
$26.99
$9.95
$9.95 - $9.95
$9.95
In stock

Smaller, more efficient, Iridium electrode designs improve cold starting and quicker acceleration. Designed to last over 100,000 miles in most appl...

View full details
$26.99
$26.99 - $26.99
$26.99
$9.95
$9.95 - $9.95
$9.95
Save 63% Save %

Genuine GM Black Wiring Harness Connector Kit 84941154 PT2971

AC Delco
$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00
Low stock

The Genuine GM Black Wiring Harness Connector Kit 84941154 PT2971 is a product specifically designed by GM to provide a solution for connecting wir...

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$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00

NEW OEM GM Trailer Brake Control Wire Harness Adapter 23184088

AC Delco
$25.00 - $25.00
$25.00
$25.00 - $25.00
$25.00
Low stock

The product is a NEW OEM GM Trailer Brake Control Wire Harness Adapter with part number 23184088 designed for use with Silverado and Sierra vehicle...

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$25.00 - $25.00
$25.00
$25.00 - $25.00
$25.00

ACDelco GM Original Equipment 12573024 Drive Belt Tensioner

AC Delco
$65.00 - $65.00
$65.00
$65.00 - $65.00
$65.00
Low stock

Experience smooth and efficient engine performance with the ACDelco GM Original Equipment 12573024 Drive Belt Tensioner. Designed for GM's 4.2L Atl...

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$65.00 - $65.00
$65.00
$65.00 - $65.00
$65.00

19188226 Gold Idler Pulleys 36299

AC Delco
$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00
Low stock

ACDelco Gold idler pulleys are built to offer reliable operation under severe conditions. They're dependable in any weather or climate offering, yo...

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$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00

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