ACDelco®Verified to fit 115 vehicles
| Vehicle | Trim | Engine | Notes |
|---|---|---|---|
| 2011 Chevrolet MalibuRear | — | L4 2.4L | — |
| 2011 Chevrolet MalibuRear | — | V6 3.6L | — |
| 2010 Chevrolet HHRRear | SS | L4 2.0L | — |
| 2010 Chevrolet MalibuRear | — | L4 2.4L | Note: PERF amp; HANDLING SUSP(FE5), HEAVY DUTY ANTILOCK BRAKES(J56) |
| 2010 Chevrolet MalibuRear | — | V6 3.5L | Note: PERF amp; HANDLING SUSP(FE5), HEAVY DUTY ANTILOCK BRAKES(J56) |
| 2010 Chevrolet MalibuRear | — | V6 3.6L | Note: PERF amp; HANDLING SUSP(FE5), HEAVY DUTY ANTILOCK BRAKES(J56) |
| 2010 Pontiac G5Rear | — | L4 2.2L | — |
| 2010 Pontiac G6Rear | — | L4 2.4L | Note: SPORT SUSPENSION(FE3) |
| 2010 Pontiac G6Rear | — | V6 3.5L | Note: SPORT SUSPENSION(FE3) |
| 2009 Buick AllureRear | — | V6 3.8L | — |
| 2009 Buick AllureRear | — | V8 5.3L | — |
| 2009 Buick LaCrosseRear | — | V6 3.8L | Note: PERF amp; HANDLING SUSP(FE5), HEAVY DUTY ANTILOCK BRAKES(J56) |
| 2009 Buick LaCrosseRear | — | V8 5.3L | Note: PERF amp; HANDLING SUSP(FE5), HEAVY DUTY ANTILOCK BRAKES(J56) |
| 2009 Chevrolet HHRRear | SS | L4 2.0L | Note: SPORT SUSPENSION(FE3) |
| 2009 Chevrolet MalibuRear | — | L4 2.4L | Note: SOFT RIDE SUSP(FE1) |
WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, known to the State of California to cause cancer and reproductive harm. Service the vehicle in a well-ventilated area, wear gloves, and wash your hands. See www.P65Warnings.ca.gov/motor-vehicle-parts
Guaranteed fit — or free return
Currently out of stock
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If a part we confirmed for your vehicle does not fit, we cover the return shipping and refund you in full. That is the fitment guarantee.
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Nobody likes buying a part that turns out to be wrong. So if it doesn't fit, send it back for a full refund at no cost to you — return shipping is on us — and we'll help you get the right one.
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Every part is covered for 24 months. Many brands add their own manufacturer warranty on top.
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AC Delco OEM Rear Disc Brake Caliper Piston 18048686
Out of stock · guaranteed fit or free return
AC Delco OEM Rear Disc Brake Caliper Piston 18048686
FREE delivery between Tue, Oct 20 to Tue, Oct 20
Ships To:Key Features
About This Disc Brake Caliper Piston
This ACDelco automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- •Unusual noises from the component area
- •Decreased vehicle performance
- •Warning lights on dashboard
- •Visible wear or damage
- •Failed vehicle inspection
ACDelco
Trusted Automotive Brand
ACDelco is a trusted manufacturer of quality automotive parts.
View all ACDelco productsInstallation Guide
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Frequently Asked Questions
The ACDelco Disc Brake Caliper Piston (18048686) is a direct-fit replacement for 2004-2011 Pontiac, Chevrolet, Buick and 1 other make. UPC 707773775332. Ships free.
About This Product
Disc Brake Caliper Piston
The ACDelco Disc Brake Caliper Piston (18048686) is a direct-fit replacement for 2004-2011 Pontiac, Chevrolet, Buick and 1 other make. UPC 707773775332. Ships free.
This ACDelco automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- Unusual noises from the component area
- Decreased vehicle performance
- Warning lights on dashboard
- Visible wear or damage
- Failed vehicle inspection
Brand-first. Fitment-obsessed.
We only sell brands automakers trust, and we double-check the fit on every listing.
Top curated brands only
The brands automakers put on the car.
Obsessed with fitment
Year, make, model, trim, engine, plus the fine print.
Search any part number
Your old part, a competitor, or the dealer #. We confirm the match.
Shop owner? Get BuffyPro business pricing
Fitment Obsessed
Every part checked against your exact year, make, model, trim, and engine.
Wrong Fit? On Us.
Free return shipping, no restocking fee — the fitment guarantee.
Brands OEMs Trust
The names automakers actually put on the car.
Millions of Parts, One Promise
If we say it fits, it fits.