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RADIATORS, HOSES & CAPS

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RADIATORS & KITS
COOLANT HOSES
RADIATOR CAPS
EVOLUTION VIII-IX - RADIATORS      ///      BACK TO TOP
STM EVO 8/9 BILLET ALUMINUM SLIM RADIATOR
The Billet Aluminum Slim Radiator for the Evolution VIII & IX models features a streamline billet aluminum top and slimmer design to give just a little more clearance for the turbo & manifold. The STM Radiator is a perfect fit to the factory mounting points and won't stretch out your bracket bushings. There are many options to customize this radiator and as always, if you have any questions, just give us a call!
For Evolution 8/9 (Requires 4/5/6 Upper Hose or -AN Kit)
STM-EVO8/9-BILRAD
STM EVO 7/8/9 SMALL RADIATOR KIT
The STM Small Radiator Kit is designed for those looking to lose excess weight for drag racing, or for those running the forward-facing style turbo kits. Includes a STM custom-modified Koyo radiator, Shrouded Fan, fan mounting kit, silicone upper hose and all necessary mounting hardware.
For Evolution 7/8/9.
STM-EVO79-SRAD
KOYO RACING EVO 8/9 ALUMINUM RACING RADIATOR
Koyo Radiators provide 20% to 30% more cooling than standard radiators, handle high revving, high performance motors - perfect for turbocharged engines. Made from aircraft quality aluminum and Heli-arc welded, cores are NOCOLOK-brazed.
For Evolution 7/8/9.
Factory-Replacement Fit.

HH031610
KOYO RACING JDM EVO 4/5/6 ALUMINUM RACING RADIATOR
The Koyo Evo 4/5/6 Radiator fits the Evo 7/8/9 and puts the upper coolant hose in a different location, creating extra room for exhaust manifolds. You will need the Evo 4/5/6 upper radiator hose if you are swapping it into your Evo 7/8/9.
For Evolution 7/8/9 with 4/5/6 Upper Hose.
Evolution 4/5/6 Factory-Replacement Fit.

HH030939
KOYO HH SERIES EVO 8/9 HALF-SIZE ALUMINUM RADIATOR
The Koyo HH Series Evo 8/9 Half-Size Aluminum Radiator is a RACE ONLY item due to its size and volume being roughly 1/2 the size in comparison to the vehicle's stock radiator. This radiator is not designed for street or long duration uses and generally only recommended for drag cars. This will also require some creative DIY mounting solution and will need and Evo 4/5/6 radiator hose kit.
2003-2006 Evolution VIII & IX.
HH032412
MISHIMOTO JDM EVO 4/5/6 PERFORMANCE ALUMINUM RADIATOR
The Mishimoto Evo 4/5/6 Radiator fits the Evo 7/8/9 and puts the upper coolant hose in a different location, creating extra room for exhaust manifolds. You will need the Evo 4/5/6 upper radiator hose if you are swapping it into your Evo 7/8/9.
For Evolution 7/8/9 with 4/5/6 Upper Hose.
Evolution 4/5/6 Factory-Replacement Fit.

MMRAD-EVO-456
MISHIMOTO EVO 7/8/9 PERFORMANCE ALUMINUM RADIATOR
Features a durable all-aluminum construction and a high-efficiency brazed aluminum core that results in superior reduction of coolant temperatures. This radiator is precision engineered for flawless fitment in your Evo 7/8/9. Each radiator is robotically TIG-welded to ensure consistent and robust construction, from the end tanks to the inlet and outlet connections.
For Evolution 7/8/9.
Factory-Replacement Fit.

MMRAD-EVO-01
CSF FACTORY REPLACEMENT RADIATOR
CSF Factory Replacement Radiator. Engineered to the highest specifications. No need to move fittings, drill additional holes, or stretch hoses to fit properly because it will fit exactly the same as with the original manufacturer's parts.
Starting At: $91.95
For Evolution 7/8/9.
Factory-Replacement Fit.

3127
OEM MITSUBISHI LOWER RADIATOR SUPPORT
OEM Mitsubishi Lower Radiator Supports.
2003-2006 Evolution VIII & IX.
MB605173
EVOLUTION VIII-IX - COOLANT HOSES      ///      BACK TO TOP
Notes on Coolant Hose Fitments:


The upper Evo 7/8/9 hose is the same and will fit factory-style 7/8/9 radiators.

The upper Evo 4/5/6 hose will fit the STM Billet Radiator as well as a 4/5/6 radiator in a 7/8/9 and also the STM and Koyo half-sized radiators.

The lower Evo 4/5/6 hose ONLY fits 4/5/6 style radiators in an Evo 4/5/6.

The lower Evo 7/8/9 hoses are slightly different and do call for different factory part numbers, but they will work on all 7/8/9 models. The water pipe is what is different, not the radiator outlets.



STM EVO 8/9 -AN UPPER HOSE KIT FOR STM BILLET RADIATOR
STM Evo 8/9 -AN Upper Radiator Hose Kit is an add-on to the STM Billet Aluminum Radiator if you opted for the -AN option instead of factory-style hoses. This kit includes two black fittings in your choice of -10AN, -12AN or -16AN and two feet of matching, black, nylon -AN line. The nylon line supplied is long enough to be cut to your desired length.
STM Evo 8/9 Billet Radiator with -AN Bung.
STM-EVO89-URAD-AN
STM EVO 8/9 -AN LOWER HOSE KIT FOR STM BILLET RADIATOR
STM Evo 8/9 -AN Lower Radiator Hose Kit is an add-on to the STM Billet Aluminum Radiator if you opted for the -AN option instead of factory-style hoses. A steel bung is included to be welded onto your water pipe. This kit includes two black fittings in your choice of -10AN, -12AN or -16AN and two feet of matching, black, nylon -AN line. The 90° is for the radiator side, the 45° for the water pipe. The nylon line supplied is long enough to be cut to your desired length.
STM Evo 8/9 Billet Radiator with -AN Bung.
STM-EVO89-LRAD-AN
MISHIMOTO EVO 4/5/6 UPPER COOLANT HOSE
This Mishimoto upper hose is designed for the JDM Evo 4/5/6. This can be used with the Evo 7/8/9 if you are running the Evo 4/5/6 style radiator or with the new STM Billet Radiator. The upper coolant hose is a straight across shot over the right side of the engine bay instead of snaking from the center like the factory 7/8/9. This frees up space for larger exhaust manifolds. Available in black only.
Evo 8/9 with STM Billet Radiator or 4/5/6 Radiator.
MMHOSE-EVO-UBK
MISHIMOTO EVO 8 FACTORY REPLACEMENT COOLANT HOSES
Mishimoto Silicone Radiator Hose Kits are made with a dual layer combining high grade silicone and heat-resistant embedded fibers to provide efficient heat reduction and increased pressure tolerance, all with an OEM replacement fit! Available in black, red and blue.
2003-2005 Evolution VIII Factory Replacement Fit.
MMHOSE-EVO-8
MISHIMOTO EVO 9 FACTORY REPLACEMENT COOLANT HOSES
Mishimoto Silicone Radiator Hose Kits are made with a dual layer combining high grade silicone and heat-resistant embedded fibers to provide efficient heat reduction and increased pressure tolerance, all with an OEM replacement fit! Available in black, red and blue.
2006 Evolution IX Factory Replacement Fit.
MMHOSE-EVO-9
SAMCO SPORT EVO 8 FACTORY REPLACEMENT COOLANT HOSES
Professional grade, direct-replacement silicone coolant hoses. Manufactured by Samco, the world-famous silicone product manufacturer from the UK. Available in a variety of different colors.
2003-2005 Evolution VIII Factory Replacement Fit.
TCS228C
SAMCO SPORT EVO 9 FACTORY REPLACEMENT COOLANT HOSES
Professional grade, direct replacement silicone coolant hoses. Manufactured by Samco, the world-famous silicone product manufacturer from the UK. Available in a variety of different colors.
2006 Evolution IX Factory Replacement Fit.
TCS299C
SAMCO SPORT JDM EVO 4/5/6 COOLANT HOSES
This set of Samco hoses is designed for the JDM Evo 4/5/6. The upper hose can be used with the Evo 7/8/9 if you are running the Evo 4/5/6 style radiator or with the new STM Billet Radiator. The upper coolant hose is a straight across shot over the right side of the engine bay instead of snaking from the center like the factory 7/8/9. This frees up space for larger exhaust manifolds. This lower hose does NOT fit any Evo 7/8/9 applications. Available in black, red and blue.
Upper Hose Fits Evo 7/8/9 with STM Billet Radiator or 4/5/6 Radiator.
Lower Hose ONLY fits Evo 4/5/6. Does not fit 7/8/9.
Evo 4/5/6 Factory Replacement Fit.

TCS57C
MISHIMOTO JDM EVO 4/5/6 COOLANT HOSES
Mishimoto radiator hoses are made from a combination of high-grade silicone and heat-resistant embedded fibers for a high-quality replacement kit for your OEM rubber hoses. Available in black, blue or red, Mishimoto silicone hoses retain OEM fitment while providing increased pressure tolerance for the ultimate upgrade in performance and style.
Upper Hose Fits Evo 7/8/9 with STM Billet Radiator or 4/5/6 Radiator.
Lower Hose ONLY fits Evo 4/5/6. Does not fit 7/8/9.

MMHOSE-EVO-6
OEM MITSUBISHI RADIATOR HOSES
Genuine OEM Mitsubishi Radiator Hoses for Evo VIII and Evo IX. Both models share the same upper hose, but the lower is slightly different.
2003-2005 Evolution VIII.
2006 Evolution IX MIVEC.
MR464621,MN135593,1370A098
STAINLESS HOSE CLAMPS FOR EVO 8/9 RADIATOR HOSES
Stainless Hose Clamps for the Evolution VIII & IX upper and lower radiator hoses. Sold as a set of 4, or individually as needed. Fits the factory hoses, Mishimoto, Samco and other aftermarket replacement hoses.
Evolution VIII & IX.
62013
OEM MITSUBISHI RADIATOR COOLANT TANK RETURN HOSE
Genuine OEM Mitsubishi Radiator Coolant Tank Return Hose fits all the Evolution VIII & IX models.
Evolution VIII & IX.
MR464627
EVOLUTION VIII-IX - RADIATOR CAPS      ///      BACK TO TOP
KOYO 1.3 BAR HIGH PRESSURE RED HYPER RADIATOR CAP
The Koyorad Hyper Cap withstands an increased valve pressure rating of 1.3kgf/cm2 (1.3 bar) (18.9 psi) (130 kPa) which increases the boiling point of water and relieves high performance engines of excessive heat. Manufactured in Japan.
Koyo Aluminum Radiators & Most Aftermarket Radiators.
2003-2006 Evolution VIII-IX Factory Radiator.
SK-C13
SKUNK2 HIGH-PRESSURE RADIATOR CAP TYPE A
Skunk2 Radiator Caps increase internal radiator pressure, which results in a higher coolant boiling point and a more efficient cooling system. Skunk2 Radiator Caps feature an open valve pressure of 1.3 kg/cm which is .2kg/cm higher than most OEM radiator caps.
Koyo Aluminum Radiators & Most Aftermarket Radiators.
2003-2006 Evolution VIII-IX Factory Radiator.
359-99-0020
HKS LIMITED EDITION 1.1 BAR RADIATOR CAP
HKS Limited Edition 1.1 Bar Radiator Cap. Fits most Nissan, Mitsubishi, Mazda, and Subaru and most aftermarket radiators. Rated at 108 kPa or 1.1 kg/cm^2.
Universal Application.
15009-AK004
NRG INNOVATIONS RADIATOR CAP COVER
The NRG Radiator Cap Cover is made from high grade aluminum for added durability and style. Just simply put on top of the radiator cap and tighten the side screw and you're ready to go. Available in assorted colors to match your style.
Fits Most Aftermarket Caps.
2003-2006 Evolution VIII-IX Factory Cap.
RDC-100
OEM MITSUBISHI EVO 8/9/X FACTORY RADIATOR CAP
Genuine OEM Mitsubishi Radiator Cap fits all the 2003-2015 Lancer Evolution models.
2003-2006 Evolution VIII-IX.
1350A730
MITSUBISHI PARTS
Take a look here to see even more OEM parts. STM has a MASSIVE stock of Mitsubishi parts on hand from tiny clips and gaskets to must-have JDM rears. If you can't find what you need, just give us a shout, if Mitsubishi still makes it, we can get it for you!
2003-2006 Mitsubishi Lancer Evolution VIII-IX.
MITSUBISHI

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