Frenkit 743230 Disc Brake Caliper Repair Kit - Rear

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Frenkit 743230 Disc Brake Caliper Repair Kit - Rear

Brand	Frenkit 743230
Position	Rear
Brake System	Trw
Caliper Piston Diameter	43mm
Fits	Audi · 7 vehicles

Caliper repair kit. Restores disc brake caliper function with service parts for maintenance.

TRW brake system. Built for compatibility with TRW brake hardware.

43mm piston diameter. Sized for the specified caliper piston diameter.

$57.61Free shipping

In stock · usually ships same day before 1pm CST

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Brake Caliper Repair Kit for TRW Rear Calipers

Frenkit 743230 is a disc brake caliper repair kit for TRW rear calipers with a 43mm piston diameter. It is built for Audi A8 Quattro and Audi S8 rear brake service where the caliper OE numbers match the listed application.

Key Features

Disc brake caliper repair kit for rear brake service
Brake system: TRW
Caliper piston diameter: 43mm
Fits 2000-2003 Audi A8 Quattro, rear, with Brake Caliper OE No. 4D0615423E, 4D0615424E
Fits 2001-2003 Audi S8, rear, with Brake Caliper OE No. 4D0615423E, 4D0615424E
Frenkit 743230 for targeted caliper refurbishment

Detailed Description

Use Frenkit 743230 when servicing a TRW rear disc brake caliper with a 43mm piston diameter on the Audi A8 Quattro or Audi S8. This repair kit is specified for rear calipers carrying OE numbers 4D0615423E and 4D0615424E, making it a direct-match service part for the listed vehicles. The part number 743230 is a practical reference for brake caliper repair work on 2000-2003 Audi A8 Quattro and 2001-2003 Audi S8 rear applications.

This part cross-references no additional part numbers in the provided data.

What It Is Used For

Repairing a rear caliper with piston seal or dust boot wear
Addressing brake fluid seepage at the caliper piston area
Restoring caliper function after corrosion or contamination
Servicing a TRW rear brake caliper on Audi A8 Quattro or Audi S8
Replacing worn caliper components during brake overhaul

Installation Notes and Tips

Confirm the brake system is TRW and verify the caliper OE number before ordering. Match the 43mm piston diameter to the existing rear caliper, and inspect the caliper body, piston surface, and brake hose condition during service. Clean all sealing surfaces thoroughly before reassembly and bleed the brake system after installation.

Quality Assurance

Frenkit brake service components are specified by application and caliper type to support accurate fitment selection for brake repair work.

This part fits 7 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Position	Notes
2003	Audi	A8 Quattro	4.2L	V8	Rear	with Brake Caliper OE No. 4D0615423E, 4D0615424E
2003	Audi	S8	4.2L	V8	Rear	with Brake Caliper OE No. 4D0615423E, 4D0615424E
2002	Audi	A8 Quattro	4.2L	V8	Rear	with Brake Caliper OE No. 4D0615423E, 4D0615424E
2002	Audi	S8	4.2L	V8	Rear	with Brake Caliper OE No. 4D0615423E, 4D0615424E
2001	Audi	A8 Quattro	4.2L	V8	Rear	with Brake Caliper OE No. 4D0615423E, 4D0615424E
2001	Audi	S8	4.2L	V8	Rear	with Brake Caliper OE No. 4D0615423E, 4D0615424E
2000	Audi	A8 Quattro	4.2L	V8	Rear	with Brake Caliper OE No. 4D0615423E, 4D0615424E
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