SU HV4/D4 Carburettor Major Repair Kit | MRK1235 | Fits Morris, Daimler, Wolseley & More | SU Specialists
Needle Specification
Please add your needle code into the notes field below. Unsure which needle you need? Contact us and we'll advise.
Not sure which needle you need? View our needle guide →
A full repair kit for one SU HV4 or D4 Carburettor. Including Jet, Spindles & Discs, Needle Valves, Gaskets, Seals & Needles of your choice. Made in the UK to original SU specification. Please add your needle code into the notes field when ordering.
Part Number: MRK1235
Fits these vehicles
Taken from the SU application listings. Check the spec number stamped on the tag under one of your carburettor top-cover screws to confirm.
| Vehicle | Engine | Years | Carbs | SU spec no. |
|---|---|---|---|---|
| Daimler DB 17 H.P | 2166cc | 1936, 1937–38 | Single HV4 | AUC 331, AUC 353 |
| Daimler DB 18 & 20 H.P | 2522cc | 1937–38, 1938–39 | Single HV4 | AUC 353, AUC 331 |
| S.S 1.5 Litre | 1608cc | 1937–38 | Single D4 | AUC 367 |
| Lanchester 18 H.P | 2565cc | 1938 | Single HV4 | AUC 331 |
| Lea-Francis 16/70 H.P | 1991cc | 1932 | Single D4 | AUC 153 |
| Morris 18 H.P QJ & QHSM Series II | 2288cc | 1936–37 | Single D4 | AUC 295 |
| Morris Commercial: Ambulance 'R' Type | – | 1931 | Single HV4 | AUC 85 |
| Morris Commercial: Leader Truck | – | 1930–34 | Single HV4 | AUC 64 |
| Morris Oxford JK Series 20 H.P | – | 1935 | Single HV4 | AUC 257 |
| Wolseley 18 H.P | 2321cc | 1935 | Single HV4 | AUC 271 |
| Wolseley 21/60 H.P | – | 1935 | Single HV4 | AUC 271 |
Matching kits for these applications
Service kits: CSK 40, RPK142
Gasket packs: AUE 949, AUE 954
Can't see your car, or not sure? Contact us with the spec number from your carburettor tag and we'll confirm the right kit.