• N-101-333-01 Genuine VW/Audi individual piston wrist-pin retaining circlip, wire retaining ring detail, original product photo 1
  • N-101-333-01 Genuine VW/Audi individual piston wrist-pin retaining circlip, open circlip profile, repeated original archive photo 2
  • N-101-333-01 Genuine VW/Audi individual piston wrist-pin retaining circlip, individual piston hardware, repeated original archive photo 3
  • N-101-333-01 Genuine VW/Audi individual piston wrist-pin retaining circlip, wrist-pin retaining component, repeated original archive photo 4
  • N-101-333-01 Genuine VW/Audi individual piston wrist-pin retaining circlip, genuine replacement circlip, repeated original archive photo 5
  • N-101-333-01 Genuine VW/Audi individual piston wrist-pin retaining circlip, original archive product image, repeated original archive photo 6
  • N-101-333-01 Genuine VW/Audi individual piston wrist-pin retaining circlip, single-ring contents, repeated original archive photo 7
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Genuine VW/Audi

N-101-333-01 Genuine VW/Audi Piston Wrist Pin Circlip

N-101-333-01 Genuine VW/Audi Piston Wrist Pin Circlip

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N-101-333-01

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OVERVIEW

Genuine VW/Audi N-101-333-01 is an individual piston wrist-pin retaining circlip for the specified TDI piston applications below. It seats in the assigned retaining groove to limit axial movement of the wrist pin within the piston assembly.

Technical details and contents

  • Factory number: N-101-333-01 / N10133301.
  • Factory nominal ring designation: 26 × 1.5.
  • Component: individual wire-type retaining circlip.
  • Quantity supplied: one circlip.
  • Piston, wrist pin, connecting rod and piston rings are separate.

The nominal ring designation identifies the functional part specification and is not a shipping measurement. This retaining clip is different from the compression and oil-control rings fitted around the outside of the piston. Match the installed piston, wrist pin and retaining groove to the exact factory assignment.

Function during piston service

The wrist pin connects the piston and connecting rod. Its retaining hardware must be correctly selected and fully seated in the specified groove during assembly. An incorrect or incompletely seated circlip can allow unwanted pin movement and damage surrounding engine components.

Common reasons to replace

  • The circlip has been removed during piston or connecting-rod service.
  • The original clip is missing, bent or visibly distorted.
  • Its seating surface is damaged or it will not locate securely in the correct groove.
  • Fresh original retaining hardware is needed during an engine rebuild.

Inspect the piston groove and wrist pin before reassembly. A new circlip cannot repair a worn or damaged groove, incorrect pin clearance or a damaged piston. Determine the required quantity from the exact piston assembly rather than assuming every engine uses the same hardware arrangement.

Vehicle fitment

Engine code and installed piston specification determine compatibility. The table separates generation changes and diesel configurations; the model name alone is insufficient. This listing does not cover V6 TDI engines or gasoline-engine piston assemblies.

Vehicle Model years Engine Configuration Application restrictions
Audi A3 2010–2013 2.0L TDI CBEA 8P Sportback; front-wheel drive; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Beetle 2013–2014 2.0L TDI CJAA Coupe; diesel; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Beetle 2015 2.0L TDI CVCA Coupe; diesel; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Golf SportWagen 2015 2.0L TDI CRUA Mk7 wagon; diesel; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Golf 2010–2014 2.0L TDI CJAA Mk6 hatchback; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Golf 2015 2.0L TDI CRUA Mk7 hatchback; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Golf 1999–2003 1.9L TDI ALH Mk4 hatchback; ALH only; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Golf 2004–2006 1.9L TDI BEW Mk4 hatchback; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Jetta 2011–2014 2.0L TDI CJAA Mk6 sedan; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Jetta 2015 2.0L TDI CVCA Mk6 sedan; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Jetta 1997–1999 1.9L TDI AHU Mk3 sedan; 1999 old body only; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Jetta 1999–2003 1.9L TDI ALH Mk4 sedan; 1999 new body only; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Jetta 2004–2005 1.9L TDI BEW Mk4 sedan; 2005 old body only; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Jetta 2005–2006 1.9L TDI BRM Mk5 sedan; 2005 new body only; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Jetta 2009–2010 2.0L TDI CBEA / CJAA Mk5 sedan; match installed engine code; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Jetta Wagon 2002–2003 1.9L TDI ALH Mk4 wagon; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Jetta Wagon 2004–2005 1.9L TDI BEW Mk4 wagon; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen New Beetle 1998–2003 1.9L TDI ALH Diesel coupe; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen New Beetle 2004–2006 1.9L TDI BEW Diesel coupe; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Passat 1996–1997 1.9L TDI AHU / 1Z B4; match installed engine code; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Passat 2004–2005 2.0L TDI BHW B5.5; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Passat 2012–2014 2.0L TDI CKRA NMS sedan; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Passat 2015 2.0L TDI CVCA NMS sedan; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.
Volkswagen Jetta SportWagen 2009–2014 2.0L TDI CBEA / CJAA Diesel wagon; match installed engine code; Engine-internal piston application; match factory piston specification Factory piston wrist-pin retaining groove assigned to N10133301. Confirm the installed piston and pin specification; excludes V6 TDI and gasoline applications.

Assembly guidance

Follow the factory piston and connecting-rod assembly procedure. Keep the work area clean, protect open crankcase passages and use the appropriate installation method without overstretching or distorting the clip. Confirm that it is fully engaged in the specified groove before proceeding.

Observe the factory instructions for clip orientation, pin installation and renewal of removed retaining hardware. Verify the wrist pin is retained correctly and that the piston assembly moves as specified. Do not improvise a substitute from a similar-looking external retaining ring.

Ordering information

This listing supplies one genuine circlip. It is not a piston set or engine overhaul kit. Confirm the total quantity required for the engine repair and order all other seals, bearings, rings and hardware separately.