-9%
Mishimoto Mishimoto 2008-2009 Pontiac G8 Performance Aluminum Radiator
Mishimoto Mishimoto 2008-2009 Pontiac G8 Performance Aluminum Radiator
Mishimoto Mishimoto 2008-2009 Pontiac G8 Performance Aluminum Radiator
Mishimoto Mishimoto 2008-2009 Pontiac G8 Performance Aluminum Radiator
Mishimoto Mishimoto 2008-2009 Pontiac G8 Performance Aluminum Radiator
Mishimoto Mishimoto 2008-2009 Pontiac G8 Performance Aluminum Radiator
Click to zoom in

Mishimoto 2008-2009 Pontiac G8 Performance Aluminum Radiator

Mishimoto
MISMMRAD-G8-08
840197719770
Radiators
20+ Units In Stock - Ships Next Business Day
$ 660.00 $ 599.95
$ 599.95

SKU: MMRAD-G8-08 | UPC: 840197719770

Mishimoto 2008-2009 Pontiac G8 Performance Aluminum Radiator

Equip your 2008-2009 Pontiac G8 with the Mishimoto Performance Aluminum Radiator to handle V8 heat from daily drives to track days. This direct-fit upgrade swaps the stock thin core and plastic end tanks for a robust 2.2-inch thick two-row aluminum core that keeps 6.0L and 6.2L engines cool under pressure. Engineered for Base GT and GXP models it fits manual and automatic transmissions with a polished silver finish.

Key Features

  • 2.2-Inch Thick 2-Row Core: Delivers increased cooling capacity over stock for spirited driving and track use with 24.41in x 16.54in core size.
  • Full TIG-Welded Aluminum Construction: Replaces plastic tanks with durable aluminum for long-term reliability and corrosion resistance.
  • Polished Silver Finish: Adds clean underhood style while maintaining efficient heat dissipation.
  • Direct-Fit Design: Bolts in using factory mounts with 1.5in inlet and outlet no cutting or modifications needed overall size 27.56in x 19.09in x 2.25in.
  • Mishimoto Lifetime Warranty: Covers defects for peace of mind over the radiator's service life.

Product Notes

  • Direct replacement maintains stock hose routing and mounting points.
  • Ideal for stock or modified 6.0L LS2 and 6.2L L76 engines.
  • Securely packaged for damage-free delivery.

Installation Notes

  • Professional installation recommended.
  • Drain coolant and remove stock radiator before install.
  • Uses factory hardware and mounts includes aluminum brackets if needed.

This Part Fits

Year Make Model Submodel
2008-2009 Pontiac G8 Base
2008-2009 Pontiac G8 GT
2009 Pontiac G8 GXP

Why Choose Mishimoto?

  • Trusted brand for automotive cooling solutions worldwide.
  • Performance-tested designs proven on street and track.
  • Precision engineering ensures exact fit and function.

Frequently Asked Questions

  • Q: Does this radiator fit 2009 Pontiac G8 GXP with 6.2L V8?
    A: Yes it fits all listed 2008-2009 G8 models including GXP with direct bolt-on installation for 6.0L and 6.2L engines.
  • Q: What material and construction does it use?
    A: Full 6061 aluminum with TIG-welded joints and no plastic components for maximum strength and heat transfer.
  • Q: What warranty comes with this radiator?
    A: Mishimoto Lifetime Warranty protects against manufacturing defects when installed and used properly.

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Box dimensions 28in x 20in x 6in
  • Weight: 18 lbs product 22 lbs shipping

Request For Information

Have questions about Mishimoto 2008-2009 Pontiac G8 Performance Aluminum Radiator? Fill out the form below and we'll get back to you by the next business day.
Cooling

Cooling

Cooling system parts and accessories for HEMI, Hellcat, Trackhawk, Duramax, Cummins, and import performance builds are stocked at Black Ops Auto Works. Shop radiators, thermostats, thermostat housings, water pumps, coolant reservoirs, expansion tanks, radiator hoses, oil coolers, transmission coolers, fans and shrouds, and thermal wrap for street, track, towing, and diesel platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 2116 Cooling SKUs across radiator, thermostat, water pump, hose, and heat management categories. What This Category Covers The Cooling category groups together every part that keeps engine, transmission, and charge air temperatures in check under real driving load. Coverage spans aluminum performance radiators, billet thermostat housings, high flow water pumps, silicone radiator hose kits, coolant reservoirs and expansion tanks, oil and transmission co...

View Cooling Products
Engine

Engine

Engine parts and engine bay upgrades for Dodge, Jeep, RAM, Chrysler, Chevrolet, Ford, Toyota, Nissan, Subaru, and Honda vehicles are stocked at Black Ops Auto Works. Shop oil catch cans, supercharger pulleys, thermostats, radiators, cooling parts, throttle bodies, intake manifolds, headers, ignition coils, spark plugs, sensors, gaskets, fuel pumps, valve covers, engine covers, billet cap covers, and full engine bay dress-up parts for HEMI, Hellcat, Trackhawk, Redeye, Demon, Scat Pack, RAM TRX, LS, LT, Coyote, EcoBoost, K-Series, and 2JZ builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 14,298 engine SKUs across performance, cooling, oil control, ignition, and appearance categories. What This Category Covers The Engine collection combines OEM-replacement engine service parts with performance aftermarket upgrades for supercharged, turbocharged, and naturally aspirated builds...

View Engine Products
Mishimoto

Mishimoto

Mishimoto performance parts for Jeep, RAM, Dodge, Chevy, Ford, Toyota, Honda, BMW, and Nissan platforms are stocked at Black Ops Auto Works. Shop Mishimoto radiators, intercoolers, oil coolers, transmission coolers, baffled catch cans, silicone hose kits, thermostats, water pumps, cold air intakes, wheel spacers, and fabrication fittings for Hellcat, Trackhawk, HEMI, Cummins diesel, EcoBoost, and Coyote engine builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 2,065 Mishimoto SKUs across cooling, intake, oil control, and fabrication categories. What This Brand Covers Mishimoto built its name on performance cooling and has grown into a full engine bay parts brand. This collection spans direct fit radiators, universal intercoolers, oil and transmission coolers, catch cans, silicone hoses, thermostats, water pumps, wheel accessories, and small fabrication parts like fittings a...

View Mishimoto Products
Radiators

Radiators

Radiators and heat exchangers for Trackhawk, Durango Hellcat, HEMI, LS and LT swapped platforms, Porsche, McLaren, Nissan GT-R, and diesel trucks are stocked at Black Ops Auto Works. Shop OE replacement radiators, aluminum performance radiators, heat exchangers, A/C evaporators, radiator hoses, and universal heat exchanger kits for street, track, towing, and high output builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 624 Radiators SKUs across OE replacement, performance aluminum, heat exchanger, and diesel cooling categories. What This Category Covers The Radiators category groups together every core and heat exchanger needed to keep coolant and charge air temperatures under control. Coverage spans direct fit OE replacement plastic tank radiators, all aluminum performance radiators with thicker cores, dual pass heat exchangers for supercharged applications, A/C evaporato...

View Radiators Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×