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$90.95
AC Delco OEM Rear Disc Brake Caliper Piston 18048686
Part # 18048686
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AC Delco OEM Rear Disc Brake Caliper Piston 18048686
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Vehicle Compatibility
No compatibility data available for this part.
Specifications
Brand: ACDelco
Part Number: 18048686
Part Type: Disc Brake Caliper Piston
Condition: New
Qty Per Vehicle: 2
Boot Included: No
End 2 Outside Diameter: 1.5 IN
Grade Type: Regular
Length: 1.75 IN
Color: Silver
Features Benefits - Bullet 1: GM-recommended replacement part for your GM vehicle's original factory component
Features Benefits - Bullet 2: Offering the quality, reliability, and durability of GM OE
Features Benefits - Bullet 3: Manufactured with GM Original Equipment specification for fit, form, and function
Good Maintenance Practices - Section 1 - Bullet 1: Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
Good Maintenance Practices - Section 1 - Bullet 2: Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
Good Maintenance Practices - Section 1 - Bullet 3: Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
Good Maintenance Practices - Section 1 - Bullet 4: Check the thickness of your brake pads.
Good Maintenance Practices - Section 1 - Header: The following inspections and maintenance procedures can help prevent potential brake problems.
Good Maintenance Practices - Section 2 - Bullet 1: Inspection of the brake hoses for brittleness or cracking.
Good Maintenance Practices - Section 2 - Bullet 2: Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Good Maintenance Practices - Section 2 - Bullet 3: Inspection of wheel bearings and grease seals.
Good Maintenance Practices - Section 2 - Bullet 4: Parking brake adjustments (as needed).
Good Maintenance Practices - Section 2 - Header: The following should be conducted by a qualified technician:
Meets Or Exceeds Original Equipment Manufacture Specifications: Yes
Product Description: ACDelco GM Original Equipment Disc Brake Caliper Piston forces the brake pads to close on the disc brake rotor, producing the force necessary to stop the vehicle. This original equipment disc brake ca
Programming Required: No
Signs Of Wear Troubleshooting - Section 1 - Bullet 1: Chirping or grinding noises when braking.
Signs Of Wear Troubleshooting - Section 1 - Bullet 2: Difficulty stopping the vehicle.
Signs Of Wear Troubleshooting - Section 1 - Bullet 3: A low or sinking brake pedal.
Signs Of Wear Troubleshooting - Section 1 - Bullet 4: Brake pedal pulsation (not to be confused with normal ABS operation).
Signs Of Wear Troubleshooting - Section 1 - Bullet 5: Vehicle pulls to the left or right when brakes are applied.
Signs Of Wear Troubleshooting - Section 1 - Header: Disc brake caliper signs of wear include:
Warranty: 24 Months
Frequently Asked Questions
We're always here to help. If you can't find your answer, ask Rydon - our AI assistant will help you out.
What vehicles does this Disc Brake Caliper Piston fit?
This ACDelco Disc Brake Caliper Piston (Part #18048686) fits specific vehicles. Use the compatibility checker on this page to verify fitment for your vehicle.
Is this an OEM or aftermarket part?
This is a premium aftermarket Disc Brake Caliper Piston by ACDelco, designed to meet or exceed OEM specifications with strict quality control standards.
What warranty is included?
This ACDelco Disc Brake Caliper Piston is backed by a 24-month limited warranty covering defects in materials and workmanship from date of purchase.
How long does shipping take?
Free standard shipping on all orders. Most orders ship within 1-2 business days and arrive within 3-5 business days.
Can I return this if it does not fit?
30-day money-back guarantee. Return unused parts in original packaging for full refund.
Product Specifications
Brand
ACDelco
Part Type
Disc Brake Caliper Piston
End 2 Outside Diameter
1.5 IN
Length
1.75 IN
Part Number
18048686
Boot Included
No
Grade Type
Regular
Color
Silver
Boot IncludedNo
End 2 Outside Diameter1.5 IN
Grade TypeRegular
Length1.75 IN
ColorSilver
Features Benefits - Bullet 1GM-recommended replacement part for your GM vehicle's original factory component
Features Benefits - Bullet 2Offering the quality, reliability, and durability of GM OE
Features Benefits - Bullet 3Manufactured with GM Original Equipment specification for fit, form, and function
Good Maintenance Practices - Section 1 - Bullet 1Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
Good Maintenance Practices - Section 1 - Bullet 2Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
Good Maintenance Practices - Section 1 - Bullet 3Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
Good Maintenance Practices - Section 1 - Bullet 4Check the thickness of your brake pads.
Good Maintenance Practices - Section 1 - HeaderThe following inspections and maintenance procedures can help prevent potential brake problems.
Good Maintenance Practices - Section 2 - Bullet 1Inspection of the brake hoses for brittleness or cracking.
Good Maintenance Practices - Section 2 - Bullet 2Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Good Maintenance Practices - Section 2 - Bullet 3Inspection of wheel bearings and grease seals.
Good Maintenance Practices - Section 2 - Bullet 4Parking brake adjustments (as needed).
Good Maintenance Practices - Section 2 - HeaderThe following should be conducted by a qualified technician:
Meets Or Exceeds Original Equipment Manufacture SpecificationsYes
Product DescriptionACDelco GM Original Equipment Disc Brake Caliper Piston forces the brake pads to close on the disc brake rotor, producing the force necessary to stop the vehicle. This original equipment disc brake ca
Programming RequiredNo
Signs Of Wear Troubleshooting - Section 1 - Bullet 1Chirping or grinding noises when braking.
Signs Of Wear Troubleshooting - Section 1 - Bullet 2Difficulty stopping the vehicle.
Signs Of Wear Troubleshooting - Section 1 - Bullet 3A low or sinking brake pedal.
Signs Of Wear Troubleshooting - Section 1 - Bullet 4Brake pedal pulsation (not to be confused with normal ABS operation).
Signs Of Wear Troubleshooting - Section 1 - Bullet 5Vehicle pulls to the left or right when brakes are applied.
Signs Of Wear Troubleshooting - Section 1 - HeaderDisc brake caliper signs of wear include:
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Part # 18048686AC Delco OEM Rear Disc Brake Caliper Piston 18048686
Brand ACDelcoCondition NewDisc Brake Caliper PistonPosition RearQty / vehicle 224-mo warranty
$18190
$227.90SAVE 20%
Dealer charges $330.46SAVE 45%— You save $148.56
Out of Stock
Out of Stock
OE REPLACEMENT
AC Delco OEM Rear Disc Brake Caliper Piston 18048686
|
Part #:18048686
|
Disc Brake Caliper Piston
$90.95In Stock
$113.95Save 20%
Pay in 4 interest-free payments of$45.48withPayPal
Quantity:
2
Out of Stock
FREE delivery between Fri, Aug 14 to Fri, Aug 14
Ships To:Out of Stock
Key Features
OEM-Equivalent QualityMeets/exceeds factory specs
American BusinessMaryland since 1986
24-Month WarrantyLimited coverage on every part
Free Same Day ShippingWe ship all orders the same business day before cutoff
Product HighlightsBeta
Reading the catalog · checking interchanges · researching…
What vehicles does this Disc Brake Caliper Piston fit?
This ACDelco Disc Brake Caliper Piston (Part #18048686) fits specific vehicles. Use the compatibility checker on this page to verify fitment for your vehicle.
Is this an OEM or aftermarket part?
This is a premium aftermarket Disc Brake Caliper Piston by ACDelco, designed to meet or exceed OEM specifications with strict quality control standards.
What warranty is included?
This ACDelco Disc Brake Caliper Piston is backed by a 24-month limited warranty covering defects in materials and workmanship from date of purchase.
How long does shipping take?
Free shipping on orders $50+. Most orders ship within 1-2 business days and arrive within 3-5 business days.
Can I return this if it does not fit?
30-day money-back guarantee. Return unused parts in original packaging for full refund.
AC Delco OEM Rear Disc Brake Caliper Piston 18048686
Part # 18048686
Main Image
Click to expand
1 / 2
Special Offer
Buy 2, Get 5% Off
2 for $172.81•Save $9.10
$18190
$227.90SAVE 20%
Dealer charges $330.46SAVE 45%— You save $148.56
Out of Stock
Out of Stock
OE REPLACEMENT
AC Delco OEM Rear Disc Brake Caliper Piston 18048686
|
Part #:18048686
|
Disc Brake Caliper Piston
$90.95In Stock
$113.95Save 20%
Pay in 4 interest-free payments of$45.48withPayPal
Quantity:
2
Out of Stock
FREE delivery between Fri, Aug 14 to Fri, Aug 14Ships To:Out of Stock
Key Features
OEM-Equivalent QualityMeets/exceeds factory specs
American BusinessMaryland since 1986
24-Month WarrantyLimited coverage on every part
Free Same Day ShippingWe ship all orders the same business day before cutoff
What vehicles does this Disc Brake Caliper Piston fit?
This ACDelco Disc Brake Caliper Piston (Part #18048686) fits specific vehicles. Use the compatibility checker on this page to verify fitment for your vehicle.
Is this an OEM or aftermarket part?
This is a premium aftermarket Disc Brake Caliper Piston by ACDelco, designed to meet or exceed OEM specifications with strict quality control standards.
What warranty is included?
This ACDelco Disc Brake Caliper Piston is backed by a 24-month limited warranty covering defects in materials and workmanship from date of purchase.
How long does shipping take?
Free shipping on orders $50+. Most orders ship within 1-2 business days and arrive within 3-5 business days.
Can I return this if it does not fit?
30-day money-back guarantee. Return unused parts in original packaging for full refund.
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
Moderate
1-3 hours
Tools Needed
Basic hand toolsTorque wrenchVehicle service manual
Frequently Asked Questions
WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which are known to the State of California to cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts