KAX Disc Brake Caliper Assembly Fit for Acura RSX and Honda Civic

In this review of the KAX Disc Brake Caliper Assembly the bottom line is simple: this is a practical, direct OE-style replacement for owners of Acura RSX 2002-2006 and Honda Civic 2002-2005 2.0L who need rear left and right calipers. The reviewer found the kit useful for restoring braking performance because it ships as a complete assembly with a phenolic piston and installation hardware, and every unit is pressure tested to meet OEM specifications. If you want a straightforward swap that closely matches factory parts, this caliper set is worth considering.

Key Features

• Vehicle Fitment: Fits Acura RSX 2002-2006 and Honda Civic 2002-2005 2.0L rear left and right, reducing fitment guesswork for those specific models.
• Complete Assembly: Includes the brake caliper, phenolic piston and installation hardwares so installers receive a ready-to-fit unit rather than separate components.
• OE Replacement Quality: Sold as a direct replacement built to match original dimensions, which helps restore original braking geometry and pad alignment.
• Quality Assurance: Each caliper is thoroughly inspected and 100% pressure tested for safety and to help return optimal braking performance.
• Long-Term Support: Backed by a manufacturer with 15 years in parts production and a 3-years warranty, offering longer-term confidence.
• Reference Compatibility: Cross-references common OEM numbers so buyers can verify fit against part catalogs before purchase.

Who It's For

This replacement caliper set is aimed at DIY mechanics and independent shops working on Acura RSX 2002-2006 and Honda Civic 2002-2005 2.0L vehicles who prefer a ready-to-install, OE-style assembly. It is also a good option for owners seeking to avoid the higher cost of dealer units while keeping OEM compatibility.

Those who should look elsewhere include owners of models outside the listed fitment and buyers who require rebuilt cores or remanufactured calipers with a different internal specification. If you need calipers with integrated parking brake shoes or a model-specific variation not listed in the reference numbers, verify compatibility before ordering.

Pros & Cons

Pros

• Direct-fit OE replacement that simplifies installation for rear left and right calipers.
• Ships as a full assembly with piston and hardware so less additional sourcing is needed.
• Pressure tested and inspected which improves confidence in safety and function.
• Backed by a 3-years warranty and a manufacturer with long-term parts experience.

Cons

• Slideability was noted as mixed by some users, so minor adjustments after installation may be required to match OEM feel.
• Fitment is specific; buyers must confirm vehicle details against the reference numbers before purchase.

Specifications

Brand	KAX
Fitment	Acura RSX 2002-2006, Honda Civic 2002-2005 2.0L (rear L/R)
Included Parts	Brake caliper, phenolic piston, installation hardwares
Quality Control	100% inspected and pressure tested
Reference Numbers	19B2679, 19B2678, 43019S5AJ02RM, 43018S5AJ02RM and others
Warranty	3-years

Our Verdict

The KAX rear caliper assembly is a sensible replacement for Acura RSX and Honda Civic owners who want a near-OE fit and a complete kit that reduces parts hunting. With pressure testing, included hardware and a 3-years warranty, it represents solid value for DIYers and independent shops, provided buyers confirm fitment with the listed reference numbers.

Frequently Asked Questions

Does this set include both left and right rear calipers?
Yes, the product description and fitment indicate rear left and right compatibility for the listed models.

Are the calipers ready to install out of the box?
Yes, they arrive as a full assembly including the phenolic piston and installation hardwares for straightforward installation.

How can I be sure these will fit my car?
Match your vehicle year and engine to the listed fitment and cross-check one of the reference numbers in your OEM parts catalog to confirm compatibility.