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quality difference in radiator caps #4535260
10/06/17 09:44 AM
10/06/17 09:44 AM
Joined: Jan 2003
Posts: 3,075
Coastal South Carolina
edwardh1 Offline OP
edwardh1  Offline OP
Joined: Jan 2003
Posts: 3,075
Coastal South Carolina
toyota oem (is that Denso?) $15 from Amazon , dont know what the dealer wants.
stant and gates are in the $5-$7 range

any opinions on stant vs gates?

or how to find the toyota 2004 highlander v6 highlander oem stock number? amazon lists the numbers on the stats they sell, but don't say what it fits.


These products are all new every year?? They are a revolution!!! Razor blades, mens shirts, TVs, wiper blades, gutter guards, hearing aids... according to the ads. But also all new last year
Re: quality difference in radiator caps [Re: edwardh1] #4535271
10/06/17 10:09 AM
10/06/17 10:09 AM
Joined: Mar 2014
Posts: 3,257
NJ
Leo99 Offline
Leo99  Offline
Joined: Mar 2014
Posts: 3,257
NJ
My n=1 story: Replaced the factory cap on my Rav4 last year with a Stant from Amazon. Cap arrived looking very generic and then failed 9 months later. Coolant was evaporating. I'd stick with the OEM in the future.


Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles
2004 Rav4 359,000 miles
2015 Camry 59,000 miles
Re: quality difference in radiator caps [Re: edwardh1] #4535285
10/06/17 10:32 AM
10/06/17 10:32 AM
Joined: Apr 2004
Posts: 5,208
Texas
JustinH Offline
JustinH  Offline
Joined: Apr 2004
Posts: 5,208
Texas
For a 7 dollar savings I would buy an OEM cap.

However I have never had a problem with a stant cap either.


'11 Hyundai Sonata GLS
'11 Scion XB
Re: quality difference in radiator caps [Re: edwardh1] #4535294
10/06/17 10:44 AM
10/06/17 10:44 AM
Joined: Oct 2009
Posts: 3,218
Wet side WA
JohnnyJohnson Offline
JohnnyJohnson  Offline
Joined: Oct 2009
Posts: 3,218
Wet side WA
Well the cap on my Corolla is only 14 years old my guess is its going to last until the car stops running. But I did have to add a cup of coolant last year? Since then it hasn't dropped?


2004 Corolla 124786
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74277
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 74705 4-22-18
Re: quality difference in radiator caps [Re: edwardh1] #4535301
10/06/17 10:56 AM
10/06/17 10:56 AM
Joined: Jun 2002
Posts: 6,352
MI
doitmyself Offline
doitmyself  Offline
Joined: Jun 2002
Posts: 6,352
MI
RE: finding OEM part number

Do the online OEM parts suppliers have the correct information regarding OEM part numbers?:

For instance, I plugged in 2004 Highlander at this site: https://www.toyotapartsdeal.com/parts-list/2004-toyota-highlander/radiator-water-outlet.html?Filter=(1=1MZFE;6=4FC;7=05S)

Maybe 16401-31520, $13.xx on Ebay delivered.

Re: quality difference in radiator caps [Re: edwardh1] #4535315
10/06/17 11:21 AM
10/06/17 11:21 AM
Joined: May 2014
Posts: 3,667
Columbus,Nebraska
Yah-Tah-Hey Offline
Yah-Tah-Hey  Offline
Joined: May 2014
Posts: 3,667
Columbus,Nebraska
OEM all the way.

Re: quality difference in radiator caps [Re: edwardh1] #4535336
10/06/17 11:41 AM
10/06/17 11:41 AM
Joined: Oct 2002
Posts: 22,162
Colorado Springs
Drew99GT Offline
Drew99GT  Offline
Joined: Oct 2002
Posts: 22,162
Colorado Springs
I've had a Stant on my Corolla for over 10 years; still works fine.

Re: quality difference in radiator caps [Re: edwardh1] #4535359
10/06/17 12:03 PM
10/06/17 12:03 PM
Joined: Jan 2004
Posts: 4,155
California
nthach Offline
nthach  Offline
Joined: Jan 2004
Posts: 4,155
California
For Japanese cars, Denso/T-Rad/Calsonic OEM no question. In some cases, a Stant/Gates does work fine. The old Nissan Quest my parents had sad a Stant cap until we unloaded it, it held up to pressure. A Subaru I worked on had a Stant instead of the OEM Calsonic and it worked fine. Toyota and Honda tend to be more finicky for caps.

The Americans use Stant or Indian-made TVS caps.

Amazon does sell fakes, but it's actually easy to tell a fake/real Denso apart.

Re: quality difference in radiator caps [Re: edwardh1] #4535409
10/06/17 01:06 PM
10/06/17 01:06 PM
Joined: Jan 2008
Posts: 519
Richmond, BC, Canada
mechjames Offline
mechjames  Offline
Joined: Jan 2008
Posts: 519
Richmond, BC, Canada
Stant and gates are the exact same part, they rebox each other.
I haven't had a problem with either of them.


86 Mustang 5.0L 170km - Amsoil XL 5w30 / Baldwin B2-HPG
14 Ram 1500 5.7 - Amsoil XL 5w20 / Baldwin B7443
98 Jeep ZJ 5.9 - Amsoil OE 10w30 / Baldwin B34
Re: quality difference in radiator caps [Re: edwardh1] #4535430
10/06/17 01:54 PM
10/06/17 01:54 PM
Joined: Jul 2009
Posts: 432
Seattle
Superflop Offline
Superflop  Offline
Joined: Jul 2009
Posts: 432
Seattle
I buy motorad personally

Yeah the afore mentioned TVS brand is oem for a lot of makes

Last edited by Superflop; 10/06/17 01:57 PM.

2002 saab 9-5 2.3t wagon
2014 dodge grand caravan
Re: quality difference in radiator caps [Re: edwardh1] #4535443
10/06/17 02:12 PM
10/06/17 02:12 PM
Joined: Aug 2016
Posts: 654
New Jersey
THafeez Offline
THafeez  Offline
Joined: Aug 2016
Posts: 654
New Jersey
DENSO


2004 Toyota Solara SE 2.4 2AZFE
182,000 miles
Castrol Magnatec Semi-Syn 5W30
Royal Purple 20-400 oversize 2nd run
Re: quality difference in radiator caps [Re: edwardh1] #4535528
10/06/17 03:40 PM
10/06/17 03:40 PM
Joined: Aug 2002
Posts: 14,424
Silicon Valley
PandaBear Offline
PandaBear  Offline
Joined: Aug 2002
Posts: 14,424
Silicon Valley
Stant makes for Gates on a lot of Japanese models.

Use OEM. My Stant cap stuck shut and caused a head warp / head gasket problem. I called them and they basically said they are only responsible for the cap cost and can send me a replacement cap. Don't take a chance for $10 saving like me.


"You keep asking questions PandaBear and you'll end up a vegetarian like my wife" - Camu Mahubah
Re: quality difference in radiator caps [Re: edwardh1] #4535678
10/06/17 07:12 PM
10/06/17 07:12 PM
Joined: Nov 2004
Posts: 7,753
Texas
GMBoy Offline
GMBoy  Offline
Joined: Nov 2004
Posts: 7,753
Texas
Stay away from GATES!!! I had 2 different failures on 2 different vehicles. First the caps are CHEAPLY made and do not fit correctly. Secondly - they will leak. Happened to me on 2 different applications: Honda Civic and Honda Accord. I'm glad I caught the issues before giving the car back to the owners. They literaly lasted just days!

Re: quality difference in radiator caps [Re: edwardh1] #4535739
10/06/17 08:37 PM
10/06/17 08:37 PM
Joined: Apr 2013
Posts: 2,330
The Northeast
mclasser Offline
mclasser  Offline
Joined: Apr 2013
Posts: 2,330
The Northeast
OEM or bust. Not worth trying to save a few bucks on a part that can potentially overheat the engine.

When I changed my cap last year I went straight to the dealer parts counter.

Last edited by mclasser; 10/06/17 08:38 PM.

2018 Hyundai Elantra VE -- 4K
2013 Honda Pilot EX-L 4WD -- 56K
2002 Honda Accord EX-L -- 211K

Re: quality difference in radiator caps [Re: edwardh1] #4535745
10/06/17 08:43 PM
10/06/17 08:43 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline
Merkava_4  Offline
Joined: Jan 2007
Posts: 17,501
Clovis, CA
I will never trust Stant again after I had one of their brand new thermostats that wouldn't open up in a pan of boiling water. Certain critical parts I'll stay with O.E.M.

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