ULTRA-POWER 18P4644

ULTRA-POWER part number 18P4644 is a caliper in the Brake & Wheel Hub system. This catalog matches it to 22 year-and-engine configurations from 1997 to 2009.

Verified fitment includes 2009 Buick Allure 5.3L V8 ; 2009 Buick Lacrosse 5.3L V8 ; 2008 Buick Allure 5.3L V8 ; 2008 Buick Lacrosse 5.3L V8 ; 2005 Buick Century 3.1L V6 , plus 17 other configurations. See every vehicle this part fits.

Manufacturer specifications
Includes Install Hardware, Mounting BracketWith Enhanced Corrosion Protection
Rear LeftStandard Bootswith Metal Piston
Application data published for:
🇺🇸 US 🇨🇦 CA

Frequently Asked Questions

What is ULTRA-POWER 18P4644?

ULTRA-POWER part number 18P4644 is a caliper with published application data for 22 vehicle configurations from 1997 to 2009. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.

Which vehicles does ULTRA-POWER 18P4644 fit?

This catalog matches 18P4644 to 22 year-and-engine configurations from 1997 to 2009. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.

Is ULTRA-POWER 18P4644 OEM or aftermarket?

What matters is the published application data for this part number, not the label on the box. ULTRA-POWER 18P4644 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.

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