{"title":"Hilux Surf \u0026 4Runner Cooling Parts","description":null,"products":[{"product_id":"genuine-toyota-thermostat-82-c-l-2nd-3rd-gen-89-02","title":"OEM Thermostat for Toyota Hilux Surf \/ 4Runner KZN130 \/ KZN185 | 2nd \u0026 3rd Gen 89-02","description":"\u003cp\u003e\u003cb\u003eBulletproof Your Cooling System and Save Yourself Thousands in Repair Bills.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eYou drive a legend. The 2nd and 3rd Gen Hilux Surfs are known worldwide for being practically indestructible, conquering trails, and clocking up hundreds of thousands of kilometers without breaking a sweat.\u003c\/p\u003e\n\u003cp\u003eBut if you own one, especially with the 1KZ-TE or 2L-TE diesel under the bonnet, you already know about its \u003cb\u003eone fatal flaw.\u003c\/b\u003e \u003ci\u003eOverheating.\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003eIt starts with the temperature gauge creeping past the halfway mark on a steep hill climb. Then comes the loss of power. And finally, the ultimate nightmare: a cracked cylinder head or a blown head gasket. Just like that, your weekend is ruined, and you're staring down the barrel of a massive mechanic's bill.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThe #1 culprit for this catastrophic failure?\u003c\/b\u003e A cheap, aftermarket thermostat that decided to stick closed.\u003c\/p\u003e\n\u003cp\u003eWhen it comes to the cooling system on an aging Surf, \"close enough\" isn't good enough. Generic auto-parts-store thermostats rarely flow the correct amount of coolant, their springs degrade quickly, and they completely lack the precise engineering required to keep your specific engine in the safe zone.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eStop gambling with your rig's life. Upgrade to the Genuine OEM Toyota Thermostat.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThis isn't just a replacement part; it's a cheap insurance policy for your engine. Designed exactly to Toyota's rigorous factory specifications, this OEM thermostat guarantees your 2nd Gen (N130) or 3rd Gen (N185) Surf stays cool, calm, and collected, no matter how hard you push it.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eWhy Genuine OEM is the ONLY Choice for Your Surf:\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision Temperature Control:\u003c\/b\u003e Opens precisely at the factory-specified temperature (unlike aftermarket variants that often open too late), eliminating dangerous heat spikes and localised hot spots inside the block.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe \"Head Gasket Saver\":\u003c\/b\u003e Engineered for maximum coolant flow. This keeps the notoriously heat-sensitive 1KZ and 2L-TE cylinder heads perfectly stabilised, protecting your engine from warping and cracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Critical \"Jiggle Valve\":\u003c\/b\u003e Features the factory-correct jiggle valve to automatically bleed trapped air from your cooling system — a feature cheap knock-offs often skip, leading to deadly air pockets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eZero-Guesswork Fitment:\u003c\/b\u003e Drops perfectly into your 2nd or 3rd Gen Surf housing. No modifications, no leaks, no headaches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLegendary Durability:\u003c\/b\u003e Built with high-grade copper and brass internals that won't corrode, stick, or fail when you're 100 kilometers away from the nearest sealed road.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eProtect Your Pride and Joy\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThink about it: Why risk thousands of dollars in engine damage just to save a few bucks on a vital cooling component? The peace of mind alone is worth its weight in gold.\u003c\/p\u003e\n\u003cp\u003eWhether you're gearing up for a massive off-road expedition, towing heavy loads, or just relying on your Surf as your daily driver, you need to know your cooling system won't let you down.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDon't wait for the temp gauge to hit the red zone. It's already too late by then.\u003c\/b\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003ch4\u003eHow often should I change the OEM thermostat on a 2nd or 3rd Gen Hilux Surf?\u003c\/h4\u003e\n\u003cp\u003eToyota recommends inspecting the thermostat at every major coolant flush and replacing it every 100,000 km or 5 years, whichever comes first. On a 1KZ-TE, a sticking thermostat is one of the most common causes of cracked heads, so most experienced owners replace it preventatively at every coolant change.\u003c\/p\u003e\n\u003ch4\u003eWhat is the difference between the 82°C and 71°C thermostat for the 1KZ-TE?\u003c\/h4\u003e\n\u003cp\u003eBoth fit the same KZN130 \/ KZN185 \/ KDN185 housing — the difference is the temperature at which they open and let coolant flow to the radiator.\u003c\/p\u003e\n\u003cp\u003eThe \u003cb\u003e82°C unit (Toyota part 90916-03118)\u003c\/b\u003e is the factory specification. It keeps the engine at its designed operating temperature, which means proper fuel economy, good heater performance in winter, and correct oil temperature. This is what we recommend for most owners and all standard driving.\u003c\/p\u003e\n\u003cp\u003eThe \u003cb\u003e71°C unit (90916-03121)\u003c\/b\u003e is Toyota's \"cool\" variant. It opens 11 degrees earlier, so the radiator starts pulling heat out of the engine sooner and the whole system runs with more headroom before it hits stress temperatures. Choose this one if you tow heavy loads, run hot summer climates, tackle long steep climbs loaded up, or your 1KZ already sits above halfway on the gauge. The tradeoff is slightly longer warm-up time and marginally cooler running in winter, which most owners never notice.\u003c\/p\u003e\n\u003cp\u003eIf you are unsure, go the 82°C factory unit. If your Surf works hard for a living, go the 71°C.\u003c\/p\u003e\n\u003ch4\u003eDoes this thermostat fit a V6 5VZ-FE Surf or 4Runner?\u003c\/h4\u003e\n\u003cp\u003eYes — choose the VZN130 \/ VZN185 82° variant which uses Toyota part 90916-03075. This is a different physical thermostat to the 1KZ-TE diesel unit, so the engine code matters.\u003c\/p\u003e\n\u003ch4\u003eDo I need the gasket option or just the part?\u003c\/h4\u003e\n\u003cp\u003eIf you've replaced your thermostat recently and the rubber O-ring\/gasket is still in good condition, you can reuse it and just buy the part. If you're unsure, or the thermostat has been in there for years, the \"Part + Gasket\" option is the safer choice and avoids a second trip to the parts shop mid-install.\u003c\/p\u003e\n\u003ch4\u003eIs this a genuine Toyota OEM part?\u003c\/h4\u003e\n\u003cp\u003eYes. This is a genuine Toyota OEM thermostat — not an aftermarket equivalent. The part numbers (90916-03118 \/ 90916-03121 \/ 90916-03075 \/ 90916-03120 \/ 90916-03099) match what Toyota dealerships supply. We stock these specifically because aftermarket thermostats are the leading cause of cracked heads on the 1KZ-TE.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003e✘ 1st Gen Surf \/ 4Runner 83 - 88\u003cbr\u003e✔ 2nd Gen Surf \/ 4Runner 89 - 95\u003cbr\u003e✔ 3rd Gen Surf \/ 4Runner 96 - 02\u003cbr\u003e✘ 4th Gen Surf \/ 4Runner 03 - 09\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eToyota OEM part numbers\u003c\/td\u003e\n\u003ctd\u003e90916-03118 (82°C 1KZ diesel), 90916-03121 (71°C cool 1KZ diesel), 90916-03075 (82°C V6 petrol), 90916-03120 (82°C RZN petrol), 90916-03099 (88°C LN130 diesel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOpening temperature\u003c\/td\u003e\n\u003ctd\u003eShown on each variant — 82°C factory spec, 71°C cooler variant (1KZ hot\/towing duty), 88°C (LN130 2L\/3L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVariants\u003c\/td\u003e\n\u003ctd\u003ePart only, or Part + gasket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal material\u003c\/td\u003e\n\u003ctd\u003eCopper \/ brass — corrosion-resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJiggle valve\u003c\/td\u003e\n\u003ctd\u003eIncluded (factory-correct air-bleed valve)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended replacement interval\u003c\/td\u003e\n\u003ctd\u003eEvery 100,000 km or 5 years, whichever comes first\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Genuine OEM Parts","offers":[{"title":"KZN130\/KZN185\/KDN185 82° \/ Yes","offer_id":43106835562654,"sku":"90916-03118 \u0026 Gasket","price":83.0,"currency_code":"NZD","in_stock":true},{"title":"KZN130\/KZN185\/KDN185 82° \/ No","offer_id":42504728314014,"sku":"90916-03118 Part Only","price":67.0,"currency_code":"NZD","in_stock":true},{"title":"KZN130\/KZN185\/KDN185 71° \/ Yes","offer_id":43106835660958,"sku":"90916 - 03121 \u0026 Gasket","price":83.0,"currency_code":"NZD","in_stock":true},{"title":"KZN130\/KZN185\/KDN185 71° \/ No","offer_id":42606284832926,"sku":"90916 - 03121 Part Only","price":67.0,"currency_code":"NZD","in_stock":true},{"title":"VZN130\/VZN185 82° \/ Yes","offer_id":43106835595422,"sku":"90916-03075 \u0026 Gasket","price":83.0,"currency_code":"NZD","in_stock":true},{"title":"VZN130\/VZN185 82° \/ No","offer_id":42504728346782,"sku":"90916-03075 Part Only","price":67.0,"currency_code":"NZD","in_stock":true},{"title":"RZN185 82° \/ Yes","offer_id":43106835628190,"sku":"90916-03120 \u0026 Gasket","price":83.0,"currency_code":"NZD","in_stock":true},{"title":"RZN185 82° \/ No","offer_id":42504728379550,"sku":"90916-03120 Part Only","price":67.0,"currency_code":"NZD","in_stock":true},{"title":"LN130 88° \/ Yes","offer_id":43106835529886,"sku":"90916-03099 \u0026 Gasket","price":83.0,"currency_code":"NZD","in_stock":true},{"title":"LN130 88° \/ No","offer_id":42504728281246,"sku":"90916-03099 Part Only","price":67.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0599\/3280\/3230\/files\/ImageTemplate.webp?v=1705890532"},{"product_id":"viscous-fan-hub-clutch-oil","title":"Viscous Fan Hub Clutch Oil","description":"\u003ch1\u003e🔥 STOP THE OVERHEAT: The Value Fix to Save Your Engine!\u003c\/h1\u003e\n\u003cp\u003e\u003cb\u003eIs your temperature needle creeping up on hills? Hearing less \"roar\" from your fan than you used to?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eYour engine's worst enemy isn't the trail, it’s heat. And the only thing standing between you and a $5,000 engine rebuild is a tiny amount of specialised fluid.\u003c\/p\u003e\n\u003cp id=\"p-rc_f103340f8793e15b-19\"\u003eMost people think a weak fan means they need a brand new $300+ fan clutch. \u003cb\u003eThey’re wrong.\u003c\/b\u003e \u003cspan class=\"citation-11 citation-end-11\"\u003eOver time, the internal silicone oil in your viscous hub shears down or leaks out, leaving your fan freewheeling when it should be locking up and pulling air.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eThe Solution: High-Performance 10,000cSt Silicone Oil.\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp id=\"p-rc_f103340f8793e15b-20\"\u003eThis isn't just \"oil.\" \u003cspan class=\"citation-10 citation-end-10\"\u003eIt is a high-viscosity, thermally stable liquid gold specifically engineered to restore the \"grab\" in your viscous hub.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-9 citation-end-9\"\u003eAt 10,000cSt, it’s the \"Goldilocks\" weight, perfect for 4x4s, diesels, and heavy-duty towers who need their fan to engage hard when things get hot, without sacrificing fuel economy when things are cool.\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-9 citation-end-9\"\u003e\u003cmeta charset=\"utf-8\"\u003eWhy You Need This Right Now:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-9 citation-end-9\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cb\u003e- Prevent \"Head-Cracking\" Temps:\u003c\/b\u003e Don't let a cheap part cost you a cylinder head. \u003cspan class=\"citation-8 citation-end-8\"\u003eThis oil ensures your fan locks up exactly when it’s supposed to.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-9 citation-end-9\"\u003e\u003cspan class=\"citation-8 citation-end-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cb\u003e- The \"Performance Mod\" You Didn't Know You Needed: \u003c\/b\u003eStandard hubs are often under-filled from the factory. \u003cspan class=\"citation-7 citation-end-7\"\u003eServicing yours ensures maximum airflow, especially if you’ve upgraded to a high-flow 10-blade fan.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-9 citation-end-9\"\u003e\u003cspan class=\"citation-8 citation-end-8\"\u003e\u003cspan class=\"citation-7 citation-end-7\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cb\u003e- Save $250+ Instantly:\u003c\/b\u003e Your fan hub is designed to be serviced! Why replace the whole unit when you can rebuild it to better-than-new specs for a fraction of the cost?\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-9 citation-end-9\"\u003e\u003cspan class=\"citation-8 citation-end-8\"\u003e\u003cspan class=\"citation-7 citation-end-7\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cb\u003e- Precision Engineering:\u003c\/b\u003e This 30ml bottle provides enough fluid for a complete service or a significant top-up for most Toyota, Nissan, and Mitsubishi hubs.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-9 citation-end-9\"\u003e\u003cspan class=\"citation-8 citation-end-8\"\u003e\u003cspan class=\"citation-7 citation-end-7\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-9 citation-end-9\"\u003e\u003cspan class=\"citation-8 citation-end-8\"\u003e\u003cspan class=\"citation-7 citation-end-7\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cb\u003e\u003cspan class=\"citation-6\"\u003e- Viscosity:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-6 citation-end-6\"\u003e 10,000cSt (The industry standard for reliable 4x4 cooling).\u003csup data-turn-source-index=\"6\" class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-9 citation-end-9\"\u003e\u003cspan class=\"citation-8 citation-end-8\"\u003e\u003cspan class=\"citation-7 citation-end-7\"\u003e\u003cspan class=\"citation-6 citation-end-6\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cb\u003e- Volume:\u003c\/b\u003e 30ml (More than the standard 18ml Toyota bottles—gives you the extra you need for a full service).\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-9 citation-end-9\"\u003e\u003cspan class=\"citation-8 citation-end-8\"\u003e\u003cspan class=\"citation-7 citation-end-7\"\u003e\u003cspan class=\"citation-6 citation-end-6\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cb\u003e- Compatibility:\u003c\/b\u003e Universal for all rebuildable viscous fan clutches (Hilux, Patrol, Land Cruiser, Pajero, etc.).\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-9 citation-end-9\"\u003e\u003cspan class=\"citation-8 citation-end-8\"\u003e\u003cspan class=\"citation-7 citation-end-7\"\u003e\u003cspan class=\"citation-6 citation-end-6\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cb\u003eDon't wait until you're on the side of the road with steam coming from under the hood.\u003c\/b\u003e Restore your cooling system’s \"bite\" and drive with the confidence that your engine is staying cool no matter how hard you push it.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003e✔ 1st Gen Surf \/ 4Runner 83 - 88\u003cbr\u003e✔ 2nd Gen Surf \/ 4Runner 89 - 95\u003cbr\u003e✔ 3rd Gen Surf \/ 4Runner 96 - 02\u003cbr\u003e✔ 4th Gen Surf \/ 4Runner 03 - 09\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eSilicone oil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eViscosity\u003c\/td\u003e\n\u003ctd\u003e10,000 cSt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Surf Syndicate","offers":[{"title":"Default Title","offer_id":46151912915102,"sku":"FANOIL","price":27.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0599\/3280\/3230\/files\/IMG-7976.webp?v=1762242469"},{"product_id":"1kz-te-cooling-system-saver-bundle-l-2nd-3rd-gen-89-2","title":"1KZ-TE \/ 1KD-FTV Cooling System Saver Bundle for Toyota Hilux Surf \/ 4Runner KZN130 \/ KZN185 \/ KDN185 | 2nd \u0026 3rd Gen 89-02","description":"\u003cp\u003eThe complete 1KZ-TE and 1KD-FTV cooling refresh: 10-blade fan, viscous fan-hub oil, OEM thermostat and EGR delete in one kit. Fits KZN130, KZN185 and KDN185. Choose your engine's thermostat at checkout. See full details below.\u003c\/p\u003e","brand":"Surf Syndicate","offers":[{"title":"KZN130\/KZN185\/KDN185 82° \/ Yes","offer_id":46882551922846,"sku":null,"price":329.0,"currency_code":"NZD","in_stock":true},{"title":"KZN130\/KZN185\/KDN185 82° \/ No","offer_id":46882551955614,"sku":null,"price":329.0,"currency_code":"NZD","in_stock":true},{"title":"KZN130\/KZN185\/KDN185 71° \/ Yes","offer_id":46882551988382,"sku":null,"price":329.0,"currency_code":"NZD","in_stock":true},{"title":"KZN130\/KZN185\/KDN185 71° \/ No","offer_id":46882552021150,"sku":null,"price":329.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0599\/3280\/3230\/files\/23BBC05C-78B8-4929-8BE7-34D470780C5A_8d38995a-439b-4ebe-b7b5-3ec3ea22359d.webp?v=1788227128"}],"url":"https:\/\/www.surfsyndicate.co.nz\/collections\/hilux-surf-4runner-cooling-parts.oembed","provider":"Surf Syndicate","version":"1.0","type":"link"}