FUEL INJECTOR RETURN PIPE – AUDI A1, A3 & VW GOLF, JETTA, POLO, CADDY – OE 03L 130 235 AF

This Fuel Injector Return Pipe is designed for selected Audi and Volkswagen vehicles equipped with Common Rail (CR) diesel injection systems.

The return pipe allows excess fuel from the injectors to flow back through the fuel return system, helping maintain proper fuel circulation and prevent fuel leakage.

Manufactured as a replacement for OE reference 03L 130 235 AF, this component is also suitable for biodiesel applications.

Key Features

• Designed for Common Rail diesel injection systems.

• Replaces OE part number 03L 130 235 AF.

• Suitable for biodiesel applications.

• Helps maintain proper injector fuel return flow.

• Replacement component for compatible Audi and Volkswagen diesel engines.

Product Specifications

Product: Fuel Injector Return Pipe
OE Reference: 03L 130 235 AF
Fuel Injection System: Common Rail (CR)
Fuel Compatibility: Diesel and Biodiesel
Application: Fuel Injector Return System
Vehicle Brands: Audi, Volkswagen

Vehicle Compatibility

AUDI

A1 / S1 (8X1, 8XK) — 2011–2019

1.6 TDI (CAYC) - 77 kW / 105 HP

A1 / S1 Sportback (8XA, 8XF) — 2012–2019

1.6 TDI (CAYC) - 77 kW / 105 HP

A3 / S3 (8P1) — 2003–2012

1.6 TDI (CAYC) - 77 kW / 105 HP

A3 / S3 Sportback (8PA) — 2005–2013

1.6 TDI (CAYC) - 77 kW / 105 HP

VOLKSWAGEN

Caddy III Box Body/MPV (2KA, 2KH, 2CA, 2CH) — 2004–2016

1.6 TDI (CAYE) - 55 kW / 75 HP

Caddy IV Box Body/MPV (SAA, SAH) — 2015–2022

1.6 TDI (CAYD) - 75 kW / 102 HP
1.6 TDI (CAYE) - 55 kW / 75 HP

Caddy IV MPV (SAB, SAJ) — 2015–2022

Golf VI (5K1) — 2008–2013

1.6 TDI (CAYD) - 75 kW / 102 HP

Jetta V (1K2) — 2005–2011

1.6 TDI (CAYC) - 77 kW / 105 HP

Jetta VI (162, 163, AV3, AV2) — 2010–2026

1.6 TDI (CAYC) - 77 kW / 105 HP

Polo III (6R1, 6C1) — 2009–2018

1.6 TDI (CAYC|CLNA) - 77 kW / 105 HP

Polo III Saloon (602, 604, 612, 614) — 2011–2022

1.6 TDI (CLNA) - 77 kW / 105 HP

Touran (1T3) — 2010–2016

1.6 TDI (CAYC) - 77 kW / 105 HP

Installation & Fitment Notes

Confirm compatibility using the vehicle's VIN, engine code and original OE part number before ordering. The listed model ranges do not indicate compatibility with every engine variant.

Important: This fuel return pipe is intended for compatible Common Rail diesel injection systems and is not suitable for petrol engines.

Installation should be performed by a qualified technician. Ensure all connections are securely fitted and inspect the fuel system for leaks after installation.