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Join Date: Jan 2010
Location: Alamogordo, New Mexico
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Sorry Ron, I was trying to provide some history of oil used in the early engines, first use of a oil pump and the Pure-O-Later guys inventing the first oil filter.
I know how some rating sites are biased to their own being the best.
I'm with you on the Toyota/Denso quality as being the very best you can get. The TCH starting with the '07 model, all it's hybrid parts are made my Denso. This includes MG1, MG2, the inverter and the AC compressor. I'm sure they are lots of other Denso parts. I saw the TCH is rated in consumer reports to give less trouble than the standard gas powered Camry. The Denso parts in the TCH may be the reason.
I should have specified the '07 TCH using a modified purolator oil filter by toyota. I used to buy the purolator standard filter and their better pure one filter. I also had some toyota oem filters to compare with.
The standard housing top and seems matched the oem perfectly. The oem filter used the same better filter element as was in the more expensive pure one filter. Denso may made all their filters other than I know what I saw with the '07 oil filters I had then and used for 5 years till I bought the new '12 model.
If that '07 filter was a Denso it sure matched the purolator filter exactly, including the pure one filter element.