OVERVIEW
Genuine VW/Audi CV axle boot clamp
803-407-291 is the individual band clamp used at the assigned CV axle boot attachment. The factory catalog identifies its application with a nominal 97 mm specification.
The clamp retains the matching boot at its prescribed attachment profile. This listing supplies one clamp, with the boot, joint, axle and grease selected separately for the repair.
Technical details and supplied quantity
- Manufacturer part number: 803-407-291; compact reference 803407291.
- Brand: Genuine VW/Audi.
- Component: CV axle boot band clamp.
- Nominal catalog specification: 97 mm.
- Quantity: one individual clamp per purchase.
CV boots use different clamp sizes at their individual attachment points. The nominal 97 mm application does not establish compatibility with a smaller shaft-end clamp or another boot design. Confirm the installed axle, boot groove and original clamp assignment before ordering.
Common reasons to replace
- The original clamp is missing or damaged.
- The clamp is removed as part of the prescribed boot or joint repair.
- The band or closing section is distorted and cannot secure the matching boot correctly.
- Inspection identifies deterioration at the original retention point.
Inspect the boot and joint when a clamp problem is found. A split boot, damaged seating groove or contaminated joint requires its own repair. Fitting a new clamp does not repair a torn boot or restore a damaged CV joint.
Vehicle fitment
These entries apply only to the specified CV axle boot location and original clamp size. Confirm any listed PR code and the installed axle/boot arrangement before ordering.
| Vehicle | Model years | Engine | Configuration | Application restrictions |
|---|---|---|---|---|
| Audi A4 | 2007 | 2.0L turbocharged TFSI gasoline I4 or 3.2L FSI gasoline V6 | B7 Sedan or Avant; quattro; Original factory manual or automatic as offered; installed CV axle/boot configuration determines fitment | Rear CV axle boot clamp point; all-wheel-drive PR 1X1. Only the boot attachment assigned 803407291. Match the installed axle, boot groove and original nominal 97 mm clamp. Other clamp sizes and later repair-kit hardware are separate. One clamp supplied; boot, joint, axle and grease are separate. |
| Audi S4 | 2007 | 4.2L gasoline V8 | B7 Sedan or Avant; quattro; Original factory manual or automatic as offered; installed CV axle/boot configuration determines fitment | Rear CV axle boot clamp point; all-wheel-drive PR 1X1. Only the boot attachment assigned 803407291. Match the installed axle, boot groove and original nominal 97 mm clamp. Other clamp sizes and later repair-kit hardware are separate. One clamp supplied; boot, joint, axle and grease are separate. |
| Audi A4 Cabriolet | 2005 | 3.0L gasoline V6 | B6 Convertible; quattro; Original factory manual or automatic as offered; installed CV axle/boot configuration determines fitment | Rear CV axle boot clamp point with PR 1YF (assigned rear-axle shaft configuration). Only the boot attachment assigned 803407291. Match the installed axle, boot groove and original nominal 97 mm clamp. Other clamp sizes and later repair-kit hardware are separate. One clamp supplied; boot, joint, axle and grease are separate. |
| Audi S4 Cabriolet | 2005 | 4.2L gasoline V8 | B6 Convertible; quattro; Original factory manual or automatic as offered; installed CV axle/boot configuration determines fitment | Rear CV axle boot clamp point with PR 1YF (assigned rear-axle shaft configuration). Only the boot attachment assigned 803407291. Match the installed axle, boot groove and original nominal 97 mm clamp. Other clamp sizes and later repair-kit hardware are separate. One clamp supplied; boot, joint, axle and grease are separate. |
| Audi 5000 Turbo quattro | 1987 | 2.2L turbocharged gasoline I5 | C3 Sedan or Wagon; quattro; Original factory manual or automatic as offered; installed CV axle/boot configuration determines fitment | Original rear CV axle boot arrangement with nominal 97 mm clamp assignment. Only the boot attachment assigned 803407291. Match the installed axle, boot groove and original nominal 97 mm clamp. Other clamp sizes and later repair-kit hardware are separate. One clamp supplied; boot, joint, axle and grease are separate. |
| Volkswagen Corrado G60 | 1990–1992 | 1.8L supercharged gasoline I4 | Coupe; front-wheel drive; Original factory manual or automatic as offered; installed CV axle/boot configuration determines fitment | Original CV axle boot clamp location listed for the G60 axle-hardware arrangement; match large boot-end profile. Only the boot attachment assigned 803407291. Match the installed axle, boot groove and original nominal 97 mm clamp. Other clamp sizes and later repair-kit hardware are separate. One clamp supplied; boot, joint, axle and grease are separate. |
Installation and service guidance
Follow the factory boot and axle service procedure for the affected joint. Inspect the boot groove and mating attachment surface, then position the correctly specified boot and clamp as directed. Use the prescribed clamp-closing tool and technique.
Verify that the band sits in its assigned groove and the closing feature is fully secured. Do not substitute a general hose-clamp tightening method or force the wrong nominal size onto the boot.
Complete any separately required joint cleaning, grease renewal and hardware replacement according to the applicable repair instructions. Confirm correct boot seating, articulation and retention before completing the drivetrain checks.