Reviews of spare parts for Mazda 3

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Spare parts

Other spare parts for Mazda 3

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OEM Mazda › Battery

Justin2478 24 Dec 2025, 01:23

Rating 4.0

2014 Mazda 3 with 322,000 kms, it's doing fine. I'm still on original engine, transmission and starter. I use it almost daily in traffic. The only problem is that the battery is slightly more costly than a standard one, which offsets the miniscule fuel savings you're getting from the system

Pros: original engine, transmission, starter

Cons: battery is slightly more costly

Vehicle: Mazda 3

Mileage: 322000 km

DELPHI › Brake pads

tommytmopar 22 Dec 2025, 17:41

Rating 4.0

Delphi brakes for rear set usually add another £300 including fitting. Sounds about standard for the area - you'd pay less up north but London's always pricier.

Pros: standard for the area

Cons: London's always pricier

Vehicle: Mazda 3

PENNZOIL › Engine oil

Crankshaft67 19 Dec 2025, 16:50

Rating 5.0

From what I've learned the best oil for the Turbo of any model with direct injection which Mazda uses is Pennzoil Ultra Platinum.

Pros: clean oil, GTP oil

Cons: high in detergents

Vehicle: Mazda 3

OEM Mazda › Timing belt

hypn0s21 18 Dec 2025, 21:03

Rating 5.0

160k kms mazda 3 1.6 owner. Aside from timing belt kit, shocks, tie rods, AC compressor, it’s just the usual spark plugs, filter and oil.

Pros: usual spark plugs, filter

Vehicle: Mazda 3

Mileage: 160000 km

OEM Mazda › Valve cover

Complex-Hospital-141 17 Dec 2025, 03:47

Rating 5.0

No leaks:

Had my 2010 bought new in 2009 Mazda 3GT valve cover done at 119k miles when Mazda tech noticed leak when changing oil, with points check. $450 with oil change and tire rotation.

Pros: tech noticed leak

Vehicle: Mazda 3

Mileage: 119000 km

OEM Mazda › Cabin filter

wallyTHEgecko 14 Dec 2025, 01:44

Rating 5.0

Cabin air filters are dirt cheap and easy to swap yourself, but people forget about them and shops love to charge stupid amounts of money to replace them for you.

Pros: dirt cheap, easy to swap

Vehicle: Mazda 3

OEM Mazda › Thermostat

Affectionate-Panic-1 10 Nov 2025, 22:46

Rating 3.0

Slow warm-up:
Overheating:

Common for the thermostat and/or coolant control valve to fail on newer Mazda 3s. It's not a big deal but you might have more coolant loss and it takes longer to warm up.

Pros: not a big deal

Cons: coolant loss, longer warm

Vehicle: Mazda 3

OEM Mazda › Oil filter

THEliryc24 22 Oct 2025, 09:22

Rating 2.5

Leaks:

I went through the same thing, I believe the part number that they gave you is the made in Mexico Mazda value oil filter. It worked on my 2.5 NA. Though in my opinion, the quality of the filter is subpar compared to the OEM made in Thailand filters.

Pros: worked on engine

Cons: subpar quality

Vehicle: Mazda 3

Bosch › Spark plug

Spirited_Can_1738 3 Dec 2025, 08:03

Rating 2.0

Idle:

If it is the skyactive-x be aware that the owners manual advises spark plug replacement at 40k miles and the Mazda plugs are \u00a340 each. I put aftermarket Bosch plugs in and it ran very lumpy and had to replace with Mazda ones.

Cons: ran very lumpy

Vehicle: Mazda 3