Water Pump for 1969 Ford Mustang — Casting Number C9OE-8505-A
Vehicle & Part Overview
Casting number: C9OE-8505-A
Application: 1969 Ford Mustang
Part type: Water pump
This is a genuine Ford engineering number. The casting code breaks down as follows:
- C — originated in the 1960s
- 9 — 1969
- OE — Ford passenger car engineering office code
- 8505 — Ford part number designation for a water pump
- A — first design revision suffix
This casting is correct and period-appropriate for a 1969 Mustang, used on the 302 small block and 390 big block engines of that era. Confirm which engine is fitted before sourcing, as the water pump casting varies between small block and big block applications.
Sourcing Recommendations
- NPD (National Parts Depot) — specialises in Mustang and Ford restoration parts, carries correct date-coded and OEM-style components: carspanner.com/go/npd
- Mustangs Plus — solid source for early Mustang mechanical parts: carspanner.com/go/mustangs-plus
- CJ Pony Parts — stocks both reproduction and rebuilt original castings: carspanner.com/go/cj-pony-parts
For a rebuilt original casting rather than a reproduction, a local rebuilder is also worth considering alongside the suppliers above.
Fitment & Inspection Notes
Before purchasing a used example, inspect the following:
- Snout and inlet port — check carefully for cracks, which are common on pumps that have been run dry or overheated
- Impeller shaft — spin the impeller by hand to confirm it rotates freely with no wobble on the shaft
Safety note: Do not fit a pump with any cracking around the snout or inlet port. Cracks in these areas can lead to coolant loss and rapid engine overheating.