Description
Vehicle Fitment & Part Details
This expansion tank cap is listed for the Volkswagen Golf III, Jetta III and Polo Classic, and cross-references OE 1H0 121 321 A. It has a 1.4 bar opening pressure and a 35.5 mm height. Confirm compatibility by matching the listed fitment details and any OEM reference numbers supplied. Verify VIN/engine.
Key Details
- SKU
- 103451
- Component
- Expansion Tank Cap
- Primary Fitment
- Volkswagen Golf III (1H1) (1991-2000)
- Specs
- 1.4 bar, 35.5 mm, blue, plastic
Listing Highlights
- Listed for 30 Volkswagen applications shown in the fitment table.
- Cross-referenced to 6 VW OE numbers for compatibility checking before ordering.
- 1.4 bar opening pressure; 35.5 mm height; blue plastic construction.
Product Specifications
| Specification | Value |
|---|---|
| Opening Pressure | 1.4 bar |
| Height | 35.5 mm |
| Colour | Blue |
| Material | Plastic |
Vehicle Fitment
This expansion tank cap is listed for 30 Volkswagen applications, covering the Golf II and III (including Cabriolet), Golf IV Cabriolet, Jetta II and III, the T4 Kombi / Microbus / Caravelle and the Polo Classic, with supplied year coverage from 1983 to 2004. Use the full table below to confirm model, chassis, year range and engine before ordering.
Primary OE references: 1H0 121 321 A, 1H0 121 321 B, 1H0 121 321 C, 357 121 321, 357 121 321 A.
View Full Vehicle Fitment (30 applications)
| Model | Chassis | Years | Engine | Power |
|---|---|---|---|---|
| Golf II | 19E, 1G1 | 1983-1992 | 1.6 (ABN, EZ, HM) | 55 kW / 75 HP |
| Golf II | 19E, 1G1 | 1983-1992 | 1.8 (GU, GX, HV) | 66 kW / 90 HP |
| Golf II | 19E, 1G1 | 1983-1992 | 1.8 GTI (DX, EV, PB) | 82 kW / 112 HP |
| Golf II | 19E, 1G1 | 1983-1992 | 1.8 GTI 16V (KR) | 102 kW / 139 HP |
| Golf III | 1H1 | 1991-2000 | 1.6 (ABU, AEA, AEE) | 55 kW / 75 HP |
| Golf III | 1H1 | 1991-2000 | 1.6 (AEK, AFT, AKS) | 74 kW / 101 HP |
| Golf III | 1H1 | 1991-2000 | 1.8 (AAM) | 55 kW / 75 HP |
| Golf III | 1H1 | 1991-2000 | 1.8 (ABS, ACC, ADZ) | 66 kW / 90 HP |
| Golf III | 1H1 | 1991-2000 | 2.0 (2E, ABA, ADY, AGG, AKR) | 85 kW / 115 HP |
| Golf III | 1H1 | 1991-2000 | 2.0 GTI 16V (ABF) | 110 kW / 150 HP |
| Golf III | 1H1 | 1991-2000 | 2.8 VR6 (AAA) | 128 kW / 174 HP |
| Golf III Cabriolet | 1E7 | 1993-1998 | 1.8 (AAM, ANN) | 55 kW / 75 HP |
| Golf III Cabriolet | 1E7 | 1993-1998 | 2.0 (2E, ADY, AGG, AKR) | 85 kW / 115 HP |
| Golf IV Cabriolet | 1E7 | 1998-2002 | 2.0 (AGG, AKR, ATU, AWF, AWG) | 85 kW / 115 HP |
| Jetta II | 19E, 1G2, 165 | 1984-1992 | 1.6 (ABN, EZ, HM) | 55 kW / 75 HP |
| Jetta II | 19E, 1G2, 165 | 1984-1992 | 1.6 (PN) | 51 kW / 70 HP |
| Jetta II | 19E, 1G2, 165 | 1984-1992 | 1.8 (EV, PB) | 82 kW / 112 HP |
| Jetta II | 19E, 1G2, 165 | 1984-1992 | 1.8 (GU, GX, HV) | 66 kW / 90 HP |
| Jetta II | 19E, 1G2, 165 | 1984-1992 | 1.8 16V (KR) | 102 kW / 140 HP |
| Jetta III | 1H2 | 1991-2000 | 1.6 (AEK, AFT, AKS) | 74 kW / 101 HP |
| Jetta III | 1H2 | 1991-2000 | 1.8 (AAM) | 55 kW / 75 HP |
| Jetta III | 1H2 | 1991-2000 | 1.8 (ABS, ADZ) | 66 kW / 90 HP |
| Jetta III | 1H2 | 1991-2000 | 2.0 (2E, ABA, ADY, AGG, AKR) | 85 kW / 115 HP |
| Jetta III | 1H2 | 1991-2000 | 2.8 VR6 (AAA) | 120 kW / 163 HP |
| Kombi / Microbus / Caravelle T4 Bus | 70B, 70C, 7DB, 7DK, 70J | 1994-2004 | 2.5 (AAF, ACU, AEN, AEU) | 81 kW / 110 HP |
| Kombi / Microbus / Caravelle T4 Bus | 70B, 70C, 7DB, 7DK, 70J | 1994-2004 | 2.5 TDI (ACV, AUF, AYC) | 75 kW / 102 HP |
| Kombi / Microbus / Caravelle T4 Bus | 70B, 70C, 7DB, 7DK, 70J | 1994-2004 | 2.5 TDI Syncro (ACV, AXL) | 75 kW / 102 HP |
| Kombi / Microbus / Caravelle T4 Bus | 70B, 70C, 7DB, 7DK, 70J | 1994-2004 | 2.8 VR6 (AES) | 103 kW / 140 HP |
| Kombi / Microbus / Caravelle T4 Bus | 70B, 70C, 7DB, 7DK, 70J | 1994-2004 | 2.8 VR6 (AMV, AXK) | 150 kW / 204 HP |
| Polo I Classic | 6V2 | 1996-2003 | 1.6 (AEH, AFT, AFX, AKL, APF, AUR) | 74 kW / 100 HP |
Fitment Notes
- Always match OEM reference number(s) and vehicle details before ordering. Verify VIN/engine.
OEM Reference Numbers (VW)
- 1H0 121 321 A
- 1H0 121 321 B
- 1H0 121 321 C
- 357 121 321
- 357 121 321 A
- 357 121 321 C
Alternate OEM Search References: 1H0121321A, 1H0121321B, 1H0121321C, 357121321, 357121321A, 357121321C
Compatibility Verification Notes
- Confirm compatibility using the vehicle model, chassis / platform, year range, OE reference and original cap comparison before ordering.
- Check the opening pressure (1.4 bar) and cap height (35.5 mm) against your original cap before ordering.
- Fitment data may vary by production date, market, import history and cooling-system revision.
- This listing is for part identification and compatibility checking only. Installation must be carried out according to the vehicle manufacturer's service information by a suitably qualified person.
Common Questions
Will this expansion tank cap fit my Volkswagen Golf III?
This part (103451) is listed for the fitments shown on this page. Confirm by matching the fitment details. Verify VIN/engine.
What OEM part numbers does this cross-reference?
Cross-reference numbers are listed in the OEM Reference Numbers section above. Match at least one to your original part before ordering.
How do I make sure I order the correct cap?
Match the 1.4 bar opening pressure and 35.5 mm height, and compare an OE reference such as 1H0 121 321 A to your original cap before ordering.
How do I confirm fitment if there are multiple variants?
Compare the supplied fitment details, OE reference numbers, original part details and any listed variant information before ordering. Verify VIN/engine.