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The water pump should have a casting number on it of 400269 (that's the heavy duty water pump for cars with A/C or heavy duty cooling). Those casting numbers are sometimes hard to read, though. You might see it as 400268, or even 400289. If you see any of those casting numbers on an Olds water pump, it's a 400269. The starter is a bit trickier! I've done a lot of research on this and I've come to the conclusion that starters for the '68 and '69 model years were the same as far as part number and characteristics go. There are a lot of starters listed in both the '69 and '68 shop manuals but they really don't say who gets what. The '69 assembly manual doesn't say anything about starter part numbers but, in the '68 assembly manual, section 6-0, page 110, in the upper right hand corner table, it specifically identifies the 1108333 starter as the unit for the 455 high compression engine. Accordingly, since virtually the same part numbers for starters were used for both years, I conclude that the 1108333 starter is the correct unit for the '69 Hurst Olds. It's an educated guess but I haven't seen anything that tells me different to date.
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