The air filter (factory original) in my 2005 SRX is Delco Part Number A2029C. When I cross reference this part on the DELCO web site, it is for the CTS -- not SRX. According to my dealer, the air filter for my vehicle should be Delco Part Number A2944C -- not A2029C. Does anyone have any insight into this situation? I called Cadillac and was referred to my dealer -- see dealer response above.
That is what I found as well. However, my 2005 SRX (V6 AWD) has a different air filter. Part number A2029C was installed at the factory instead of A2944C. My concern is -- what else might be different and why.
May be one of those unanswered sweet mysteries of life..... suggest checking the sealing surfaces of the A2029C filter to see if it was leaking dirt. If not, put in the correct filter. There may be a parts house that has both so you can physically look for comparison. Both are for a 3.6l application so should flow OK in either case. GM does change applications. For example the original oil filter for my 03 Envoy called for PF58 but later changed to PF61. Sparks plugs were platitum are now iridium.
I picked up an air filter for my '05 V6 from AutoZone. Brought it home, guess what, it was for a CTS. Returned it and got the right one from the dealer, which is where I'll get it from now on.
That is what I found as well. However, my 2005 SRX (V6 AWD) has a different air filter. Part number A2029C was installed at the factory instead of A2944C. My concern is -- what else might be different and why.
Just a follow-up re the air filters. The following from WIX and the dimensions are different. Possibly GM changed the filter box?
The dimensions are different. I put the AC numbers in. http://www.wixfilters.com/filterlookup/index.asp
Part Number: 42864 AC A2944C UPC Number: 765809428645 Principal Application: Cadillac SRX (04-07), STS (05-07) All Applications Style: Air Filter Panel Service: Air Media: Batt/Fiber Length: 13.880 Width: 9.000 Height: 1.250
Part Number: 46653 AC2029C UPC Number: 765809466531 Principal Application: Cadillac CTS (03-07), Cadillac STS (05-07) All Applications Style: Air Filter Panel Service: Air Media: Batt/Fiber Length: 12.750 Width: 10.700 Height: 1.250