Universal Air
Accumulator

Universal Air RD11026C A/C Accumulator

Brand Universal Air RD11026C
Product line Accumulator
Fits Audi and Volkswagen · 33 vehicles

A/C accumulator. Helps protect the system by storing excess refrigerant and moisture.

Accumulator line. Built for HVAC systems that use an accumulator/receiver drier setup.

$36.24Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $36.24
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Universal Air RD11026C A/C Accumulator

The Universal Air RD11026C is an A/C accumulator for select Audi and Volkswagen applications. It is used in the HVAC refrigerant circuit to help manage moisture and debris after the evaporator, supporting stable air conditioning performance in the vehicles listed below.

Key Features

  • Brand: Universal Air
  • Product line: Accumulator
  • Part number: RD11026C
  • Category: HVAC A/C accumulator / receiver drier
  • Direct fitment for select Audi A4, Audi A6, Audi A4 Quattro, Audi A6 Quattro, and Volkswagen Passat applications
  • Fits 1998-2004 Audi A6, N/A
  • Fits 2000-2004 Audi A6 Quattro, N/A
  • Fits 2002 Audi A4, N/A, 1st design A/C expansion valve; Accumulator
  • Fits 2002 Audi A4 Quattro, N/A, From VIN # X200001; 1st Design; Accumulator
  • Fits 2000-2001 Audi A4, N/A
  • Fits 1999-2001 Audi A4 Quattro, N/A, From VIN # X200001; Accumulator
  • Fits 2000 Volkswagen Passat, N/A
  • Fits 1999 Audi A4, N/A, From VIN # X200001; Accumulator
  • Fits 1999 Audi A6 Quattro, N/A, From VIN # X090001; Accumulator

Product Details

Universal Air RD11026C is built for vehicles that use an accumulator-style A/C service component in the refrigerant path. In Audi A4 and Audi A6 platforms, as well as the Volkswagen Passat, this part supports the system by helping condition refrigerant flow and maintain proper HVAC operation. Use the part number RD11026C when matching the correct accumulator for the listed year, make, model, and VIN-specific applications.

Common A/C Issues This Part May Address

  • Weak or inconsistent cabin cooling
  • Moisture contamination in the A/C system
  • Debris accumulation in the refrigerant circuit
  • Incorrect accumulator replacement on VIN-specific Audi applications
  • Service needs after A/C component replacement or system opening

Installation Notes

Verify the vehicle year, model, and VIN break before ordering, especially on 1999-2002 Audi A4 and A4 Quattro applications and the 1999 Audi A6 Quattro listing. Confirm the system uses the accumulator configuration shown for the vehicle, and compare the original part to RD11026C before installation. This part cross-references no listed part numbers in the provided data.

Quality Assurance

Universal Air identifies this part under the Accumulator product line for HVAC service applications. For fitment-sensitive Audi and Volkswagen platforms, matching the correct year range and VIN note is essential for proper replacement.

This part fits 33 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2004AudiA6———N/AAccumulator
2004AudiA6 QuattroBase3.0LV6N/AAccumulator
2004AudiA6 QuattroAvant3.0LV6N/AAccumulator
2004AudiA6 QuattroS Line3.0LV6N/AAccumulator
2003AudiA6———N/AAccumulator
2003AudiA6 QuattroBase3.0LV6N/AAccumulator
2003AudiA6 QuattroAvant3.0LV6N/AAccumulator
2003AudiA6 QuattroS Line3.0LV6N/AAccumulator
2002AudiA4———N/A1st design A/C expansion valve; Accumulator
2002AudiA4 Quattro———N/AFrom VIN # X200001; 1st Design; Accumulator
2002AudiA6———N/AAccumulator
2002AudiA6 QuattroBase3.0LV6N/AAccumulator
2002AudiA6 QuattroLuxury3.0LV6N/AAccumulator
2002AudiA6 QuattroAvant3.0LV6N/AAccumulator
2001AudiA4———N/AAccumulator
2001AudiA4 Quattro———N/AFrom VIN # X200001; Accumulator
2001AudiA6———N/AAccumulator
2001AudiA6 QuattroBase2.7LV6N/AAccumulator
2001AudiA6 QuattroBase2.8LV6N/AAccumulator
2001AudiA6 QuattroLuxury2.8LV6N/AAccumulator
2001AudiA6 QuattroAvant2.8LV6N/AAccumulator
2000AudiA4———N/AAccumulator
2000AudiA4 Quattro———N/AFrom VIN # X200001; Accumulator
2000AudiA6———N/AAccumulator
2000AudiA6 QuattroBase2.7LV6N/AAccumulator
2000AudiA6 QuattroBase2.8LV6N/AAccumulator
2000AudiA6 QuattroAvant2.8LV6N/AAccumulator
2000VolkswagenPassat———N/AAccumulator
1999AudiA4———N/AFrom VIN # X200001; Accumulator
1999AudiA4 Quattro———N/AFrom VIN # X200001; Accumulator
1999AudiA6———N/AAccumulator
1999AudiA6 Quattro———N/AFrom VIN # X090001; Accumulator
1998AudiA6———N/AAccumulator