PHILTOP Rear Disc Brake Caliper Assembly Pair - Direct Fit
PHILTOP Rear Disc Brake Caliper Assembly Pair - Direct Fit
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In this review the PHILTOP rear disc brake caliper assembly pair is examined for mid-2000s GM sedans and coupes. The bottom line: this kit is best for owners who need a direct replacement for worn or damaged rear calipers on vehicles like the Chevrolet Impala, Monte Carlo, Pontiac Grand Prix and several Buick and Oldsmobile models because it delivers OEM-like fit and includes the hardware needed for installation. The review focuses on fitment accuracy, build quality, and the practical issues installers may encounter.
Key Features
- Direct fitment: Designed to replace factory rear calipers on specific model years so buyers can expect a near-direct swap without extensive modifications.
- Pair set: Supplied as a set of two rear driver and passenger side calipers, which simplifies replacing both sides at once for even braking performance.
- Reference numbers: Marked 18B4644+18B4645 so installers can confirm compatibility with parts lists and service manuals.
- Hardware included: Customers report the kit arrives with the necessary mounting hardware so the installation is more complete and convenient.
- Return policy: One year free returns provide reassurance if fit or function is not as expected after purchase.
Who It's For
This caliper pair is aimed at DIY mechanics, independent repair shops, and car owners working on 2000-2010 Chevrolet Impala, 2000-2007 Chevrolet Monte Carlo, 1997-2003 Pontiac Grand Prix, 1997-2004 Buick Regal, 2004-2005 Buick Century, 1998-2002 Oldsmobile Intrigue, and 2008-2009 Buick LaCrosse 5.3 vehicles who want a cost-effective replacement that behaves similarly to OEM components.
It is not the best choice for someone who cannot confirm exact fitment using the vehicle selector or who expects custom or upgraded performance calipers; users should verify year, make and model with the listing tool before purchasing.
Pros & Cons
Pros
- Good fit: buyers report the calipers match OEM appearance and mounting points for an easier installation.
- Complete kit: hardware is included so fewer additional parts are needed for installation.
- Solid construction: customers describe a heavy-duty feel that implies durable materials.
Cons
- Bolt size variation: some users note bolt sizes differ from OEM, which can require new fasteners or adjustments during installation.
Specifications
| Brand | PHILTOP |
| Position | Rear pair, driver and passenger side |
| Reference Number | 18B4644+18B4645 |
| Compatible Vehicles | 2000-2010 Chevrolet Impala; 2000-2007 Monte Carlo; 1997-2003 Grand Prix; 1997-2004 Regal; 2004-2005 Century; 1998-2002 Intrigue; 2008-2009 LaCrosse 5.3 |
| Includes | Pair of rear calipers and installation hardware (per customers) |
| Return Policy | One year free returns |
Our Verdict
The PHILTOP rear caliper pair is a practical, value-focused replacement for the listed GM models and is recommended for owners who need reliable, OEM-like function without a high price. Confirm fitment with the vehicle selector and be prepared to address bolt size differences; overall the kit offers good value and convenience for routine brake repairs.
Frequently Asked Questions
Will these calipers fit my vehicle?
Use the listing vehicle menu to select Year, Make, Model and click Check Fit to confirm compatibility before purchase.
Do these come with installation hardware?
Customers report the kit arrives with the necessary hardware, which helps simplify the swap.
What if the bolt sizes differ from OEM?
If bolt sizes differ, buyers may need to source replacement fasteners or consult a mechanic to ensure safe installation.
Editor's Take
The PHILTOP rear caliper pair is a practical, OEM-like replacement for specified GM models, offering solid construction and included hardware; confirm fitment and be ready to address possible bolt size differences.

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