A1 CARDONE 21-140 power steering pump for the 2003-2004 Audi A6 and other vehicles supplies the hydraulic pressure for the steering's power assist. This is a remanufactured pump, and every unit goes through a hydraulic efficiency test.
- Critical components, including campacs and spool valves, are triple-tested
- 100% new O-rings and HNBR seals; HNBR does not break down at high temperatures like conventional seal material
- Shafts surfaced to precise specifications to eliminate premature seal wear and extend pump life
- Pressure relief valve is 100% tested and calibrated
- Final assembly is computer-tested for pressure, bypass, fluid flow, valve operation, steering effort and noise
Quick facts
- Part: A1 CARDONE 21-140 power steering pump
- Fits: 2003-2004 Audi A6 and other vehicles
- Material: Aluminum housing
- Condition: Remanufactured
A whine, stiff steering or a leak around the pump can mean the pump is wearing out. A binding steering part or a cracked hose may be behind them instead, so look over the hoses, fittings and belt for cracks or wet spots, with the engine off and cool, before you replace the pump.
Fits
This is a direct-fit power steering pump replacement for the 2003-2004 Audi A6 and the 2002-2004 Audi A6 Quattro, and each takes one.
Specifications
Fit and size
- Quantity per vehicle: 1
- Inlet diameter: 17.2212 mm (0.678 in)
- Outlet thread size: 16x1.5
- Inlet attachment: barb
- Outlet attachment: threaded
- Hose port type: O-ring
- Pulley belt type: serpentine
Build and materials
- Condition: Remanufactured
- Housing material: Aluminum
- Shaft type: press-on
- Country of origin: Mexico
In the box
One power steering pump, one sealing kit and one instruction sheet. The pulley, reservoir, reservoir cap and mounting hardware are not included, so plan on new mounting bolts.
Installation notes
- An instruction sheet comes with the pump.
- A pulley that cracked during removal or fits loosely on the shaft must be replaced.
Interchange: 4B0145156R
Frequently Asked Questions
Is this a steering pump for the 2003-2004 Audi A6?
Yes. A1 CARDONE 21-140 fits the 2003-2004 Audi A6 and the 2002-2004 Audi A6 Quattro, and each takes one pump.
Does the A1 CARDONE power steering pump come with a pulley or reservoir?
No. The pump comes with a sealing kit and an instruction sheet; the pulley, reservoir, reservoir cap and mounting hardware are not included.
What size is the outlet thread on this power steering pump?
A1 CARDONE 21-140 has a 16x1.5 outlet thread and an O-ring hose port. The inlet is a barb with a 17.2212 mm (0.678 in) diameter.
Does this remanufactured pump get new seals?
Yes. Each unit is built with 100% new O-rings and HNBR seals, and HNBR does not break down at high temperatures like conventional seal material.
Does 21-140 replace part number 4B0145156R?
Yes. 4B0145156R is a number this A1 CARDONE 21-140 pump replaces.
