• 8Z0-260-143-A Genuine VW/Audi 13 mm air conditioning low-side service port cap, complete individual component, original product photo 1
  • 8Z0-260-143-A Genuine VW/Audi 13 mm air conditioning low-side service port cap, original product profile, repeated original archive photo 2
  • 8Z0-260-143-A Genuine VW/Audi 13 mm air conditioning low-side service port cap, factory component detail, repeated original archive photo 3
  • 8Z0-260-143-A Genuine VW/Audi 13 mm air conditioning low-side service port cap, mounting and connection arrangement, repeated original archive photo 4
  • 8Z0-260-143-A Genuine VW/Audi 13 mm air conditioning low-side service port cap, complete replacement part, repeated original archive photo 5
  • 8Z0-260-143-A Genuine VW/Audi 13 mm air conditioning low-side service port cap, original archive product view, repeated original archive photo 6
  • 8Z0-260-143-A Genuine VW/Audi 13 mm air conditioning low-side service port cap, individual component shape, repeated original archive photo 7
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Genuine VW/Audi

8Z0-260-143-A Genuine VW/Audi 13 mm A/C Low-Side Service Port Cap

8Z0-260-143-A Genuine VW/Audi 13 mm A/C Low-Side Service Port Cap

$13.18 USD
$13.18 USD $13.18 USD
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8Z0-260-143-A

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OVERVIEW

Original protective cap for the 13 mm low-side service port

8Z0-260-143-A is the Genuine VW/Audi protective cap for the specified 13 mm low-pressure air conditioning service port. Its ribbed exterior provides a grip for fitting the cap to the original port.

The cap helps keep dirt and moisture away from the service connection. A/C systems use different port and cap sizes; identify the low-side return connection and complete factory number before ordering.

Technical details

  • Complete factory number: 8Z0-260-143-A.
  • Factory specification: 13 mm; low-side/return service-port cap.
  • Design: molded ribbed service-port closure.
  • Quantity supplied: one individual cap.

The 13 mm designation identifies the factory cap application. The high-side/feed port uses different hardware. This listing does not include a service valve, refrigerant or A/C line.

Common reasons to replace

  • The original cap is missing after air conditioning service.
  • The cap is cracked or broken.
  • The threads or sealing area are damaged.
  • The cap no longer fits securely.
  • An incorrect cap has been fitted to the service port.

Inspect the service port for contamination or damage. If refrigerant loss is suspected, diagnose the valve and system with appropriate equipment. Replacing a protective cap alone does not repair a leaking line or failed service valve.

Vehicle fitment

Match the exact 13 mm low-side port and original cap number in addition to the listed vehicle configuration.

Vehicle Model years Engine Configuration Application restrictions
Audi A4 2008 2.0L turbocharged gasoline I4 or 3.2L gasoline V6 B7 sedan; front-wheel drive or quattro; Avant quattro; Climatronic; PR 9AK 13 mm low-side service port only; confirm original 8Z0260143A cap. Not the 17 mm feed-side cap.
Audi A8 2010 4.2L gasoline V8; PR T8T D3 standard wheelbase or A8 L; quattro; A/C return/low-side service port VIN 4E-A-000001 through 4E-A-020000; 13 mm return-side cap only.
Audi A6 1998 2.8L gasoline V6 C5 sedan; front-wheel drive; A/C low-side service port VIN from 4B-W-000001; original 13 mm 8Z0260143A cap position only.

Installation guidance

Follow the vehicle service instructions and fit the cap to the correct closed service port. Keep the port clean and avoid cross-threading or overtightening the molded cap. Cap replacement does not require opening a refrigerant line.

Confirm that the cap sits securely. Any repair involving refrigerant recovery, charging or opening the system requires the specified equipment and service procedure.

Ordering information

Sold individually as one genuine protective cap. Valve, line and refrigerant are separate. Confirm VIN and original port/cap configuration.