Welch (Frost) Plugs & Kits

Protect your engine from leaks and pressure build-up with our Welch (Frost) Plugs & Kits collection. These essential components are designed to seal the core holes in your engine block, helping to maintain proper coolant flow and prevent damage caused by freezing or overheating. Whether you're replacing a corroded plug or completing a full engine rebuild, this collection offers high-quality solutions built for long-lasting performance.

Our Welch and frost plugs are made from durable materials like steel, brass, and copper to resist rust, corrosion, and extreme temperatures. Each kit is crafted to meet or exceed OEM standards, ensuring a secure fit and dependable seal. Suitable for both everyday vehicles and performance engines, these plugs are a must-have for any serious engine repair or maintenance job.

Perfect for DIY enthusiasts and professional mechanics, our plug kits come in various sizes to fit a wide range of engines. Replacing worn or damaged plugs can help avoid costly repairs and keep your engine running reliably.

Explore the Welch (Frost) Plugs & Kits collection at Tinkr and get the parts you need to protect your engine and extend its life with confidence.

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FAQs

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What payment methods can I use?

We can take payment from most major credit cards - like Visa and Mastercard. We can also offer AfterPay and manual bank transfer.

Are the autoparts on your website genuine?

They certainly are! We only partner with leading global manufacturers and suppliers to ensure our customers get the best product AND price.

Do you offer warranties on your autoparts?

We do offer warranties on most parts! Refer to the individual part information or speak to a member of our team to learn more.

Tinkr Reviews

  • Thank you - so quick in delivery with my order. I was expecting at least another 3-4 days to arrive. Great website easy to order with the illustrations, saving a lot of guess work when choosing your items. Well done!
    testimonial author avatar
    William
  • We got the part shipped within a day all the way down to the West Coast! I accidentally ordered the wrong article and they helped me out and replaced it straight away. You guys are awesome!
    testimonial author avatar
    Anna
  • Chuck & Greg from Tinkr were very helpful finding the correct auto transmission filter kit for us, fast & efficient, overnight delivery at a very reasonable price $127, both Repco & Supercheap quoted $439. This is first time we have dealt with Tinkr Limited and we would not hesitate to purchase from them again. Thanks for the fantastic service!
    testimonial author avatar
    Del

TINKR is your most comprehensive New Zealand owned auto parts store. With over 150,000 car parts, accessories & tools, to suit a huge range of passenger cars, 4x4s and commercial vehicles. Whether you're after a cambelt, a fan belt, or a seat belt, for a Toyota Corolla, a Mitsubishi Lancer, or a trusty Mazda Familia - TINKR has it covered.

So long as you know what parts you need, the job's tidy. Simply enter your vehicle's 'Rego' and press search. We'll display the parts that fit that particular vehicle. If the parts you need aren't displaying, no drama. Send us a 'Parts Request' and we'll do our best to supply them.