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AIC AIC 51654 Expansion Tank 51654
AIC AIC 51654 Expansion Tank 51654
AIC AIC 51654 Expansion Tank 51654
AIC AIC 51654 Expansion Tank 51654
AIC AIC 51654 Expansion Tank 51654
AIC AIC 51654 Expansion Tank 51654
PN 51654 EAN 4046283516544

AIC 51654 Expansion Tank

All in category: Expansion tank, Brake fluid →
16.49 EUR inc. VAT 21%
In stock 5
Delivery: 1 day (13.11.2026)
Compatible with: AUDI COUPE B2 (81, 855, 856), AUDI 80 B3 Sedans (893, 894, 8A2), AUDI COUPE B3 (89, 8B3) +13 Show more info →
Additional article/Additional info 2
with sensor · with cover
All specifications (2) →
This AIC 51654 expansion tank is designed for reliable coolant system performance. It ensures proper pressure regulation and coolant level maintenance.
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Description

The AIC 51654 expansion tank is a crucial component for your vehicle's cooling system. It serves to hold excess coolant that expands when the engine heats up, preventing over-pressurization. By maintaining the correct coolant level and pressure, this tank helps to ensure optimal engine operating temperatures and prevents potential damage to other cooling system components. Its construction is designed for durability and long-term performance. Proper functioning of the expansion tank is vital for the overall health of your engine. This AIC part offers a dependable solution for maintaining your vehicle's cooling efficiency.

  • Brand: AIC
  • Part Code: 51654
  • Type: Expansion Tank
  • Ensures proper coolant pressure
  • Maintains coolant level
  • Helps prevent engine overheating
  • Durable construction

Specification

Additional article/Additional info 2
with sensor
Additional article/Additional info 2
with cover

Compatibility 2 brands · 16 models

AUDI14 models
  • COUPE B2 (81, 855, 856) 1.8 (55kW/75PS) · 1.8 GT (65kW/88PS) · 1.8 GT (66kW/90PS) · 1.8 GT (79kW/107PS) · 1.9 (85kW/115PS) · 2.0 (85kW/115PS) · 2.1 GT (96kW/131PS) · 2.2 GT (85kW/115PS) · 2.2 GT (100kW/136PS) · 1.8 GT (82kW/112PS) · 2.3 (98kW/133PS) · 2.0 (83kW/113PS) · 1.6 (55kW/75PS)
  • 80 B3 Sedans (893, 894, 8A2) 1.6 (55kW/75PS) · 1.8 (55kW/75PS) · 1.8 S (65kW/88PS) · 1.8 S (66kW/90PS) · 1.8 E (82kW/112PS) · 1.8 (83kW/113PS) · 2.0 E (83kW/113PS) · 1.6 D (40kW/54PS) · 1.6 TD (59kW/80PS) · 1.9 D (50kW/68PS) · 1.6 (51kW/70PS) · 2.0 E 16V (101kW/137PS) · 2.0 E (82kW/112PS) · 1.4 (48kW/65PS) · 1.6 (75kW/102PS)
  • COUPE B3 (89, 8B3) 2.0 (85kW/115PS) · 2.0 16 V (103kW/140PS) · 2.6 (110kW/150PS) · 2.3 quattro (100kW/136PS) · 2.3 20V quattro (125kW/170PS) · 2.3 quattro (98kW/134PS) · 2.6 quattro (110kW/150PS) · 2.2 quattro (100kW/136PS)
  • 100 C4 Sedans (4A2) 2.4 D (60kW/82PS) · 2.5 TDI (85kW/115PS) · 2.0 (74kW/100PS) · 2.0 E (85kW/115PS) · 2.3 E (98kW/133PS) · 2.6 (110kW/150PS) · 2.8 E (128kW/174PS) · 2.3 E quattro (98kW/133PS) · 2.6 quattro (110kW/150PS) · 2.8 E quattro (128kW/174PS) · 2.0 E quattro (85kW/115PS) · 2.0 E 16V (103kW/140PS)
  • 80 B4 Sedans (8C2) 1.9 TD (55kW/75PS) · 1.9 TDI (66kW/90PS) · 1.6 (52kW/71PS) · 1.6 E (74kW/101PS) · 2.0 (66kW/90PS) · 2.0 E (85kW/115PS) · 2.0 E 16V (103kW/140PS) · 2.3 E (98kW/133PS) · 2.6 (110kW/150PS) · 2.8 (128kW/174PS)
  • 80 B4 Avant (8C5) 2.0 (66kW/90PS) · 2.0 E (85kW/115PS) · 2.0 E 16V (103kW/140PS) · 2.3 E (98kW/133PS) · 2.6 (110kW/150PS) · S2 quattro (169kW/230PS) · 2.6 quattro (110kW/150PS) · 2.8 quattro (128kW/174PS) · RS2 quattro (232kW/315PS) · 2.3 E quattro (98kW/133PS) · 1.9 TDI (66kW/90PS) · 1.6 E (74kW/101PS) · 2.8 (128kW/174PS) · 2.0 E 16V quattro (103kW/140PS) · 1.9 TD (55kW/75PS)
  • 100 C4 Avant (4A5) 2.5 TDI (85kW/115PS) · 2.0 E (74kW/100PS) · 2.0 E (85kW/115PS) · 2.6 (110kW/150PS) · 2.3 E (98kW/133PS) · 2.8 E (128kW/174PS) · 2.3 E quattro (98kW/133PS) · 2.6 quattro (110kW/150PS) · 2.8 E quattro (128kW/174PS) · 2.0 E quattro (85kW/115PS) · 2.4 D (60kW/82PS)
  • CABRIOLET B3 (8G7) 2.0 E (85kW/115PS) · 2.3 E (98kW/133PS) · 2.6 (110kW/150PS) · 2.8 (128kW/174PS) · 1.9 TDI (66kW/90PS) · 1.8 (92kW/125PS)
  • A6 C4 (4A2) 1.9 TDI (66kW/90PS) · 2.5 TDI (103kW/140PS) · 2.0 (74kW/100PS) · 2.0 (85kW/115PS) · 2.0 16V (103kW/140PS) · 2.6 (110kW/150PS) · 2.8 (128kW/174PS) · 2.5 TDI (85kW/116PS) · 2.0 16V quattro (103kW/140PS) · 2.6 quattro (110kW/150PS) · 2.8 quattro (128kW/174PS) · 2.5 TDI quattro (103kW/140PS) · 1.8 (92kW/125PS) · 1.8 quattro (92kW/125PS) · 2.8 (142kW/193PS) · 2.8 quattro (142kW/193PS) · 2.3 (98kW/133PS)
  • A6 C4 Avant (4A5) 1.9 TDI (66kW/90PS) · 2.5 TDI (103kW/140PS) · 2.0 (74kW/100PS) · 2.0 (85kW/115PS) · 2.0 16V (103kW/140PS) · 2.6 (110kW/150PS) · 2.8 (128kW/174PS) · 2.5 TDI (85kW/116PS) · 2.0 16V quattro (103kW/140PS) · 2.8 quattro (128kW/174PS) · 2.5 TDI quattro (103kW/140PS) · 1.8 (92kW/125PS) · 1.8 quattro (92kW/125PS) · 2.8 (142kW/193PS) · 2.8 quattro (142kW/193PS) · 2.3 (98kW/133PS) · 2.6 quattro (110kW/150PS)
  • A4 B5 (8D2) 1.6 (74kW/100PS) · 1.8 (92kW/125PS) · 1.8 T (110kW/150PS) · 2.6 (110kW/150PS) · 2.8 (128kW/174PS) · 1.9 TDI (66kW/90PS) · 1.8 quattro (92kW/125PS) · 1.8 T quattro (110kW/150PS) · 2.6 quattro (110kW/150PS) · 2.8 quattro (128kW/174PS) · 1.9 TDI (81kW/110PS) · 2.8 (142kW/193PS) · 2.8 quattro (142kW/193PS) · 1.9 TDI quattro (81kW/110PS) · 2.4 (121kW/165PS) · 2.4 quattro (121kW/165PS) · S4 quattro (195kW/265PS) · 2.5 TDI (110kW/150PS) · 2.5 TDI quattro (110kW/150PS) · 1.9 TDI (85kW/116PS) · 1.8 T quattro (132kW/180PS) · 1.8 T (132kW/180PS) · 1.9 TDI quattro (85kW/116PS) · 1.9 TDI (55kW/75PS) · 1.8 (85kW/115PS) · 1.6 (75kW/102PS) · 2.4 (120kW/163PS) · 2.4 quattro (120kW/163PS) · 2.8 quattro (140kW/190PS) · 2.6 (102kW/139PS) · 2.8 (140kW/190PS)
  • A4 B5 Avant (8D5) 1.6 (74kW/100PS) · 1.8 (92kW/125PS) · 1.8 T (110kW/150PS) · 2.6 (110kW/150PS) · 1.9 TDI (66kW/90PS) · 1.9 TDI (81kW/110PS) · 1.8 quattro (92kW/125PS) · 1.8 T quattro (110kW/150PS) · 2.6 quattro (110kW/150PS) · 2.8 (142kW/193PS) · 2.8 quattro (142kW/193PS) · 1.9 TDI quattro (81kW/110PS) · 2.4 (121kW/165PS) · 2.4 quattro (121kW/165PS) · S4 quattro (195kW/265PS) · 2.5 TDI (110kW/150PS) · 2.5 TDI quattro (110kW/150PS) · 1.9 TDI (85kW/115PS) · 1.8 T quattro (132kW/180PS) · 1.8 T (132kW/180PS) · 1.9 TDI quattro (85kW/115PS) · RS4 quattro (280kW/380PS) · 1.8 (85kW/115PS) · 1.6 (75kW/102PS) · 2.4 (120kW/163PS) · 2.4 quattro (120kW/163PS) · 1.9 Hybrid (66kW/90PS)
  • A6 C5 (4B2, 4B4) 1.8 T (110kW/150PS) · 1.8 T quattro (110kW/150PS) · 2.4 (121kW/165PS) · 2.4 quattro (121kW/165PS) · 1.9 TDI (81kW/110PS) · 2.5 TDI (110kW/150PS) · 2.8 (142kW/193PS) · 2.8 quattro (142kW/193PS) · 2.5 TDI quattro (110kW/150PS) · 1.8 (92kW/125PS) · 2.7 T (169kW/230PS) · 2.7 T quattro (169kW/230PS) · 1.8 T quattro (132kW/180PS) · 2.4 (100kW/136PS) · 3.7 (191kW/260PS) · 4.2 quattro (220kW/299PS) · 3.7 quattro (191kW/260PS) · 1.8 T (132kW/180PS) · S6 quattro (250kW/340PS) · 2.8 (132kW/180PS) · 2.8 (140kW/190PS) · 2.4 (115kW/156PS) · 2.4 (120kW/163PS) · 2.4 quattro (120kW/163PS) · 2.4 quattro (115kW/156PS) · 2.8 quattro (140kW/190PS)
  • A6 C5 Avant (4B5, 4B6) 1.9 TDI (81kW/110PS) · 1.8 (92kW/125PS) · 2.8 quattro (142kW/193PS) · 1.8 T (110kW/150PS) · 2.4 (121kW/165PS) · 2.8 (142kW/193PS) · 1.8 T quattro (110kW/150PS) · 2.4 quattro (121kW/165PS) · 2.5 TDI (110kW/150PS) · 2.5 TDI quattro (110kW/150PS) · 2.7 T (169kW/230PS) · 2.7 T quattro (169kW/230PS) · 2.4 (100kW/136PS) · 1.8 T quattro (132kW/180PS) · 3.7 quattro (191kW/260PS) · 3.7 (191kW/260PS) · 4.2 quattro (220kW/299PS) · 1.8 T (132kW/180PS) · S6 quattro (250kW/340PS) · 2.8 (132kW/180PS) · 2.8 (140kW/190PS) · 2.4 (115kW/156PS) · 2.4 (120kW/163PS) · 2.4 quattro (120kW/163PS) · 2.4 quattro (115kW/156PS)
VW2 models
  • PASSAT B5 (3B2) 1.6 (74kW/101PS) · 1.8 (92kW/125PS) · 1.8 T (110kW/150PS) · 2.3 VR5 (110kW/150PS) · 2.8 V6 Syncro/4motion (142kW/193PS) · 1.9 TDI (66kW/90PS) · 1.9 TDI (81kW/110PS) · 2.8 V6 (142kW/193PS) · 1.8 Syncro/4motion (92kW/125PS) · 1.9 TDI Syncro/4motion (81kW/110PS) · 2.3 VR5 Syncro/4motion (110kW/150PS) · 1.9 TDI (85kW/115PS) · 2.5 TDI (110kW/150PS) · 2.5 TDI Syncro/4motion (110kW/150PS) · 1.9 TDI 4motion (85kW/115PS) · 2.0 (88kW/120PS) · 1.9 TDI (74kW/101PS)
  • PASSAT B5 Variant (3B5) 1.6 (74kW/101PS) · 1.8 (92kW/125PS) · 1.8 T (110kW/150PS) · 2.3 VR5 (110kW/150PS) · 2.8 V6 (142kW/193PS) · 1.9 TDI (66kW/90PS) · 1.9 TDI (81kW/110PS) · 2.8 V6 Syncro/4motion (142kW/193PS) · 1.8 Syncro/4motion (92kW/125PS) · 1.9 TDI Syncro/4motion (81kW/110PS) · 2.3 VR5 Syncro/4motion (110kW/150PS) · 1.9 TDI (85kW/115PS) · 2.5 TDI (110kW/150PS) · 2.5 TDI Syncro/4motion (110kW/150PS) · 1.9 TDI 4motion (85kW/115PS) · 1.9 TDI (74kW/101PS) · 2.0 (88kW/120PS)

OE numbers 18

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