engine-number
Holden Belmont Engine Number
Use this guide to locate the engine number on your Holden Belmont and line up the right engine-related parts enquiry.
The Belmont was the base, fleet-oriented trim of Holden's full-size range, sitting below the Kingswood and the luxury Premier from the HD (1965) through the HR and the HK to HZ series until about 1980. It was offered in sedan, wagon, ute and panel-van bodies, and was a long-standing favourite for commercial and fleet buyers.
Where to find your Holden engine number
The stamped engine number is on a machined pad on the block. Its location depends on the engine family:
- Inline six-cylinder: on a pad on the right-hand side of the block, above the engine-mount boss.
- V8 (253 / 308, 4.2 / 5.0 litre): on a pad on the left-hand side of the block, above the engine mounting.
- V6 (Buick-derived, Ecotec, Alloytec): on the front left-hand face of the block, below the ignition coil.
- Later V6 and LS V8 models: the build / engine plate sits on the radiator support panel (VT-VZ era) or the passenger-side strut tower (VE / VF era).
You may need to wipe the pad clean to read the stamped number, and on air-conditioned cars the compressor can sit in front of it. Older Holden engines use a capacity-plus-tune prefix (for example 186S or a Q-series V8 code), while modern engines (Ecotec, Alloytec and the LS V8 family) use a GM engine code plus a separate stamped serial.
For the most accurate part match, send us both the engine code or prefix and the full stamped number, along with whether the car is automatic or manual.
On this model
Belmonts typically ran Holden red-motor sixes as the base engines, with the block prefix and stamped number found on a pad on the engine, and V8s were an option in the later series (from the HK onward). Because original engines were frequently swapped for replacements over these cars' long working lives, the stamped number matters more than any assumption based on the model. Quote the exact prefix and the stamped number when sourcing engine or driveline parts, as capacity and specification varied across the red-motor family (for example the 149, 161, 173, 179, 186 and 202 sixes) and across the era's V8s. If you are unsure whether the fitted engine is original to the car, check the number against the ID-plate details before ordering.
This page also draws on later year-by-year data for Holden Belmont to cover modern variants.
Frequently asked questions
Where is the engine number on a Holden Belmont?
It is stamped on a machined pad on the engine block. Inline sixes are on the right side above the engine mount, the 253/308 V8s on the left side above the mount, and the V6 engines on the front left face below the ignition coil. You may need to wipe the pad clean to read it.
What is the difference between an engine prefix and an engine code?
Older Holden engines use a capacity-plus-tune prefix stamped on the block, while modern engines (Ecotec, Alloytec and the LS V8 family) use a GM engine code plus a separate stamped serial.
Do you match engine numbers to parts?
Yes. Send us the engine code or prefix and the full stamped number, plus whether the car is automatic or manual, and we will match the right engine-related part.
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