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My car has decided to take about 20 minutes or 15ks to get close to warm so at a guess I'd think that my thermostat is on the way out so I called good ole Mazda, - $40 for a frigen thermostat, is there any other brand thats worth a pinch at a sensible cost or is it Mazda or eat drood ?

A quick search reveals that Tridon http://www.tridon.com.au/partfinder/default.aspx reckon you need a TT240-180 for an NA6 (is that what you have?) and Supercheap http://www.supercheapauto.com.au/online-store/parts-maintenance/cooling/thermostats-caps.aspx?id=4043&brand=Tridon have them for about $17.

Thanks for that.

A quick search before I posted also revealed that a member on here had had nothing but trouble with that brand and also that Mania had the OE for $25 but that postage would nearly absorb the cost advantage.

I don't object to to anyone taking a profit I just hate being exploited.

I wouldn't worry about one person's experiences. CPC also make thermostats. Repco have an "up to 50% off" sale until 4 Jan 12. RACQ discounts are also available normally.

Mazda just use Dayco thermostats. I recently brought one online for $22 delivered from this parts supplier. Delivery is slow though.

http://www.eziautoparts.com.au/index.ph ... 1306744612

project.r.racing wrote:Mazda just use Dayco thermostats. I recently brought one online for $22 delivered from this parts supplier. Delivery is slow though.

http://www.eziautoparts.com.au/index.ph ... 1306744612

Hi , Thanks for that, you wouldn't know the part No by any chance ??

BP engines are DT27, and you just select the letter for opening temps.

I think B6 engines are DT15, again A or B or C for opening temps. Not 100% sure on the B6 thermostat part number though.

Do the B6s use a giggle pin like BPs/323s?

Gasket is the same for B6/BP, DTG15 from memory.

It cost me $19.75 for the thermostat, gasket and shipping. I also brought the 82C opener, instead of the 88C opener for my 323, since it gets tracktime.

Thanks mate, Repco sale on so only $16.89, job done and done.

The OE thermostat was siezed open didn't need the boiling water to figure this one out.

Dayco Part No is DT27A-BP.

It's a 52mm with 82c oppening. it has a jiggle pin and is offset,

The OE gasket is stainless steel with what looks like a black sealant though it could have been a coating it also plays a part in keeping the thermostat seated.

I have cleaned and reused this with a thin layer of silicon sealing on each side , I'm going to be refilling the coolant tomorrow when this has mainly cold cured.

Two things to note:

One/ The OE aperture is 30mm and the Dayco one is 27mm so I will be keeping a close eye on the temp gauge.

Two/ The construction of the OE one I removed was about twice as sturdy as the Dayco replacement.

hardly worth getting into a lather about- save it for the whales. Where do you buy thermostats- automotive parts suppliers - either specialists or generalists like Bursons. If you buy based on price the process is flawed- a cheap thermostat is not going to use "quality" materials nor a quality system that is actually followed. Dayco is likely to be an ok product. Mazda may well source OEM supplied product and it should be good. I can buy from multiple sources close to home and have the product is not more 30mins. Whats the value of time?

The origional question was reasonable product, reasonable price ? the rest is incidental, so who's lathering ?

Mr Murlock - drives around for 30 minutes and pay $40.
Basho - drives less to parts shop and pay $20.

Both - receive same product. lol Whom is getting better value? Including their own time?