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The Carquest Premium Disc Brake Caliper with Bracket – 18-B5403 is engineered to meet or exceed OE specifications for reliable braking performance and long-lasting durability. Each cast iron caliper is finished with OE-style zinc-dichromate for superior rust protection.
Includes application-specific brackets and abutment hardware for easier installation. New EPDM rubber seals and dust boots resist heat and prevent leaks. Every unit is 100% pressure and fit tested. Limited Lifetime Replacement Warranty included.
Meets or exceeds original equipment specifications for performance and durability
Brackets included for complete system restoration
OE-style zinc-dichromate coating provides superior anti-corrosion protection
New EPDM rubber seals and OE-style dust boots resist thermal deterioration
Includes bleeder screws, banjo bolts, and crush washers for a complete repair
Stainless steel pad abutment hardware included when applicable
Abutment Clips Included: Yes
Anti-Rattle Spring Included: No
Caliper Color: Silver
Caliper Slides Included: Yes
Caliper Type: Floating
Casting Material: Cast Iron
Disc Brake Caliper Casting Material: Cast Iron
Finish: Coated
Grade Type: Standard Replacement
Grease Included: Yes
Inlet Thread Diameter: 10.0 mm
Mounting Bracket Included: Yes
Mounting Hardware Included: Yes
Mounting Hole Diameter: 14.0 mm
Pads Included: No
Piston Diameter: 50.98 mm
Piston Material: Phenolic
Piston Quantity: 2
Pacifica AWD Launch Edition (2020, V6 3.6L FLEX/GAS)
Pacifica Hybrid Limited (2018–2020, V6 3.6L PLUGIN HYBRID)
Pacifica Hybrid Platinum (2017, V6 3.6L PLUGIN HYBRID)
Pacifica Hybrid Premium (2017, V6 3.6L PLUGIN HYBRID)
Pacifica Hybrid Touring L/Plus (2018–2019, V6 3.6L PLUGIN HYBRID)
Grand Caravan American Value Package (2014–2016, V6 3.6L FLEX/GAS)
Grand Caravan Crew (2012–2013, V6 3.6L FLEX/GAS)
Grand Caravan GT (2017–2020, V6 3.6L FLEX/GAS)
Grand Caravan R/T (2012–2016, V6 3.6L FLEX/GAS)
Grand Caravan SE 30th Anniversary Edition (2014, V6 3.6L FLEX/GAS)
Gladiator 80th Anniversary (2021, V6 3.0L DIESEL / V6 3.6L GAS)
Gladiator Altitude (2020–2022, V6 3.6L GAS / 2022, V6 3.0L DIESEL)
Gladiator FREEDOM (2023, V6 3.6L GAS)
Gladiator High Altitude (2021–2023, V6 3.0L DIESEL / V6 3.6L GAS)
Gladiator Mojave / Mojave X / High Tide / NightHawk / Overland / Rubicon / Rubicon X / Sport S (2020–2024, V6 3.6L GAS / 3.0L DIESEL)
C/V Base (2012–2015, V6 3.6L FLEX)
C/V Tradesman (2015, V6 3.6L FLEX)
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
