2008 Isuzu Ascender Cooling System Parts

This table covers the engine coolants and antifreeze formulations specified for this cooling system. Typical signs include a rising temperature gauge, rusty or sludged coolant, or a heater that blows cold. Use the chemistry named in the notes. Mixing silicate, OAT and HOAT formulas can gel in the radiator. Read more

18 Coolant / Antifreeze parts are listed for the 2008 Isuzu Ascender, from PRESTONE, PEAK, VALVOLINE and 2 other brands. FVP MV5050GAL carries the "Popular" badge.

The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.

In the Economy grade, FVP, PEAK, PRESTONE and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is FVP MV5050GAL.

The Heavy Duty section lists 1 option from PRESTONE — rated for severe service. PRESTONE AFC12100 is listed in this group.

The Premium section lists 5 options from PRESTONE and PEAK — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.

The Standard Replacement section lists 7 options from VALVOLINE, PRESTONE, ACDELCO and 2 other brands — built to original-equipment specification. ACDELCO 105027 is listed in this group.

This table covers the seals at the Coolant Hose / Pipe. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

This group shows a single part: FEL-PRO 36017.

This table covers the overflow / expansion tanks that hold extra coolant. Read more

3 Coolant Reservoir parts for the 2008 Isuzu Ascender come from 3 brands — DORMAN, GM GENUINE and GPD.

This group includes DORMAN 603126, GM GENUINE 89022552 and GPD 2411029.

This table covers the caps on the overflow / expansion tank. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

2 Coolant Reservoir Cap parts for the 2008 Isuzu Ascender come from 2 brands — GM GENUINE and MOTORAD.

Part numbers include GM GENUINE RC122 and MOTORAD T46.

This table covers the Cooling Fan control modules. Read more

3 Cooling Fan Control Module parts for the 2008 Isuzu Ascender come from US MOTOR WORKS.

Listed part numbers: US MOTOR WORKS 16749, US MOTOR WORKS 16779 and US MOTOR WORKS 16795.

This table covers the adapters used to pressure-test this cooling system. Read more

4 Cooling System Tester Adapter parts are listed for the 2008 Isuzu Ascender, from GATES and MOTORAD.

Listed part numbers: GATES 31431, GATES 31391 and MOTORAD 3128, plus the other parts above.

This table covers the radiators that dump engine heat to airflow through the core. Typical signs include overheating in traffic, a wet core, or coolant that disappears with no puddle. Replace the cap if it cannot hold the rated pressure, and bleed the system after the swap. Read more

10 Radiator parts are listed for the 2008 Isuzu Ascender, from OSC, GPD, CSF and 6 other brands. CSF 3107 carries the "Popular" badge.

Economy: 2 parts, from GPD and OSC. A representative part number is GPD 2458C.

The Standard Replacement section: 8 options from CSF, KOYORAD, AGILITY and 5 other brands. CSF 3107 is listed in this group.

This table covers the caps that hold system pressure at the radiator or reservoir neck. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

2 Radiator Cap parts are listed for the 2008 Isuzu Ascender, from ACDELCO and GATES.

Part numbers include ACDELCO RC85 and GATES 31532.

This table covers the Radiator Fan blades. Typical signs include chatter, streaks, or a skip at the top of the stroke. Confirm left and right lengths in the notes — they are often different. Read more

This group shows a single part: GM GENUINE 1580696.

This table covers the Radiator Fan clutches. Typical signs include slip at highway speed, chatter on takeoff, or a pedal that stays low. Resurface or replace the flywheel with the clutch — a heat-checked flywheel wastes the new disc. Read more

8 Radiator Fan Clutch parts are listed for the 2008 Isuzu Ascender, from HAYDEN, US MOTOR WORKS, DORMAN and 5 other brands. HAYDEN 2851 carries the "Popular" badge.

Part numbers include HAYDEN 2851, US MOTOR WORKS 22627 and DORMAN 622001, among others listed above.

This table covers the shrouds that duct air through the fan and radiator. Read more

One part is listed for the 2008 Isuzu Ascender — VARIOUS MFR GM3110151.

This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

8 Radiator Hose parts for the 2008 Isuzu Ascender come from 4 brands — ACDELCO, GATES, CONTINENTAL and 1 other brand. The "Popular" part is ACDELCO 20382S.

This group includes ACDELCO 20382S, GATES 22652 and ACDELCO 26398X and the remaining parts above.

This table covers the senders that report coolant temperature to the gauge or ECU. Typical signs include a gauge that sits on empty or overheat, or a lamp that does not match what the engine is doing. Rule out the cluster and the wiring before replacing the sender. Read more

9 Temperature Sender / Sensor parts are listed for the 2008 Isuzu Ascender, from STANDARD MOTOR PRODUCTS, GPD, HOLSTEIN and 5 other brands. GM GENUINE 2134233 carries the "Popular" badge.

Economy: 4 parts, from GPD, HOLSTEIN, STANDARD MOTOR PRODUCTS and 1 other brand. A representative part number is GPD 1712673.

The Standard Replacement section: 5 options from GM GENUINE, WELLS, NTK and 2 other brands. GM GENUINE 2134233 is listed in this group.

This group includes GM GENUINE 2134233, GPD 1712673 and HOLSTEIN 2CTS0045 and the remaining parts above.

This table covers the thermostats that open the coolant circuit at the specified temperature. Typical signs include slow warm-up, a gauge that climbs in traffic, or heat that never quite arrives. Replace the housing gasket with the thermostat and bleed the system so a trapped air pocket does not cook the new part. Read more

7 Thermostat parts for the 2008 Isuzu Ascender come from 5 brands — MOTORAD, SKP, GATES and 2 other brands. The "Popular" part is GATES 33939.

The Economy section: 1 option from SKP. SKP SK9022131 is listed in this group.

Standard Replacement: 6 parts, from MOTORAD, GATES, GM GENUINE and 1 other brand. A representative part number is GATES 33939.

This group includes GATES 33939, SKP SK9022131 and GM GENUINE 1511006 and the remaining parts above.

This table covers the seals at the thermostat housing and water outlet. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

7 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2008 Isuzu Ascender, from MAHLE / CLEVITE, VICTOR REINZ, FEL-PRO and 2 other brands. FEL-PRO 35632 carries the "Popular" badge.

This group includes FEL-PRO 35632, MAHLE / CLEVITE 72141 and APEX AWO2088 and the remaining parts above.

This table covers the housings and outlets the thermostat sits in. Read more

3 Thermostat Housing / Water Outlet parts for the 2008 Isuzu Ascender come from 3 brands — GPD, GATES and GM GENUINE.

The Economy section: 1 option from GPD. GPD 8241559 is listed in this group.

Standard Replacement: 2 parts, from GATES and GM GENUINE. A representative part number is GATES CO34967.

This group includes GPD 8241559, GATES CO34967 and GM GENUINE 1510715.

This table covers the pumps that circulate coolant through the block and radiator. Typical signs include coolant at the weep hole, pulley play, or a growl from the front of the engine. Replace the thermostat and refill with the specified coolant whenever the pump comes off. Read more

9 Water Pump parts for the 2008 Isuzu Ascender come from 9 brands — US MOTOR WORKS, BECK/ARNLEY, FVP and 6 other brands. The "Popular" part is US MOTOR WORKS US5097.

The Economy section: 5 options from US MOTOR WORKS, BECK/ARNLEY, FVP and 2 other brands. US MOTOR WORKS US5097 is listed in this group.

Standard Replacement: 4 parts, from GATES, ACDELCO, DAYCO and 1 other brand. A representative part number is GATES 41122.

Part numbers include US MOTOR WORKS US5097 and BECK/ARNLEY 1312396, among others listed above.

This table covers the Water Pump & Fan Clutch assemblies. Read more

3 Water Pump & Fan Clutch Assembly parts for the 2008 Isuzu Ascender come from 3 brands — FVP, GMB and US MOTOR WORKS.

This group includes FVP 1300019 and US MOTOR WORKS MCK1050 and the remaining parts above.

This table covers the gaskets between the water pump and the block or housing. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

5 Water Pump Gasket parts are listed for the 2008 Isuzu Ascender, from GM GENUINE, APEX, FEL-PRO and 2 other brands. GM GENUINE 2512029 carries the "Popular" badge.

Listed part numbers: GM GENUINE 2512029, APEX AWP3180 and FEL-PRO 35704, plus the other parts above.