2005 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 for the 2005 Isuzu Ascender come from 5 brands — PRESTONE, PEAK, VALVOLINE and 2 other brands. The "Popular" part is FVP MV5050GAL. Every part fits both the 4.2L L6 and the 5.3L V8.

In the Compatible With All Colors grade, PRESTONE supplies 1 part: grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. A representative part number is PRESTONE AF3055.

The Economy section lists 4 options from FVP, PEAK, PRESTONE and 1 other brand — the catalog's value-priced group. FVP MV5050GAL is listed in this group.

In the Heavy Duty grade, PRESTONE supplies 1 part: rated for severe service. A representative part number is PRESTONE AFC12100.

In the Premium grade, PRESTONE and PEAK supply 5 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, VALVOLINE, PRESTONE, ACDELCO and 2 other brands supply 7 parts: built to original-equipment specification. A representative part number is ACDELCO 105027.

This table covers the Coolant Air Bleed Hose pipes. Read more

2 Coolant Air Bleed Hose / Pipe parts for the 2005 Isuzu Ascender come from 2 brands — DORMAN and GM GENUINE.

Part numbers include DORMAN 626591 and GM GENUINE 12694768.

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

2 Coolant Hose / Pipe Seal parts are listed for the 2005 Isuzu Ascender, from ELRING and FEL-PRO. 1 part fits every engine; the other 1 is engine-specific.

Part numbers include ELRING 868630 and FEL-PRO 36009.

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

3 Coolant Reservoir parts are listed for the 2005 Isuzu Ascender, from DORMAN, GM GENUINE and GPD. 2 parts fit every engine; the other 1 is engine-specific.

Part numbers include 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 are listed for the 2005 Isuzu Ascender, from GM GENUINE and MOTORAD. All of them fit every engine offered in the 2005 Ascender.

Part numbers include GM GENUINE RC122 and MOTORAD T46.

This table covers the Coolant Water Crossover Mounting sets. Read more

3 Coolant Water Crossover Mounting Set parts for the 2005 Isuzu Ascender come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.

Listed part numbers: FEL-PRO ES73027, MAHLE / CLEVITE GS33845 and VICTOR REINZ 181002301.

This table covers the Cooling Fan control modules. Read more

US MOTOR WORKS supplies the 4 Cooling Fan Control Module parts for the 2005 Isuzu Ascender. 2 parts fit every engine; the other 2 are engine-specific.

Listed part numbers: US MOTOR WORKS 16749, US MOTOR WORKS 16779 and US MOTOR WORKS 16795, plus the other parts above.

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

4 Cooling System Tester Adapter parts for the 2005 Isuzu Ascender come from 2 brands — GATES and MOTORAD. Every part fits both the 4.2L L6 and the 5.3L V8.

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

This table covers the Hose clamps. Read more

This group shows a single part: GM GENUINE 11570393.

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

18 Radiator parts for the 2005 Isuzu Ascender come from 9 brands — OSC, GPD, CSF and 6 other brands. The "Popular" part is CSF 3108. 1 part fits every engine; the other 17 are engine-specific.

The Economy section: 3 options from GPD and OSC. GPD 2458C is listed in this group.

Standard Replacement: 15 parts, from CSF, KOYORAD, AGILITY and 5 other brands. A representative part number is CSF 3108.

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 for the 2005 Isuzu Ascender come from 2 brands — ACDELCO and GATES. Every part fits both the 4.2L L6 and the 5.3L V8.

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

One part is listed for the 2005 Isuzu Ascender — 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

11 Radiator Fan Clutch parts for the 2005 Isuzu Ascender come from 11 brands — BECK/ARNLEY, HAYDEN, ULTRA-POWER and 8 other brands. The "Popular" part is BECK/ARNLEY 1300229. Every part fits both the 4.2L L6 and the 5.3L V8.

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

This group shows a single part: 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

16 Radiator Hose parts are listed for the 2005 Isuzu Ascender, from ACDELCO, DAYCO, GATES and 1 other brand. ACDELCO 20382S carries the "Popular" badge.

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

24 Temperature Sender / Sensor parts for the 2005 Isuzu Ascender come from 13 brands — STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, GPD and 10 other brands. The "Popular" part is SKP SKTX89.

The Economy section: 9 options from GPD, HOLSTEIN, STANDARD MOTOR PRODUCTS and 2 other brands. SKP SKTX89 is listed in this group.

The Full Service Kit section lists 1 option from WALKER PRODUCTS — grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. WALKER PRODUCTS 21191118 is listed in this group.

Standard Replacement: 14 parts, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, FOUR SEASONS and 6 other brands. A representative part number is ACDELCO 2134514.

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

27 Thermostat parts are listed for the 2005 Isuzu Ascender, from MOTORAD, GM GENUINE, CALORSTAT and 5 other brands. GATES 33939 carries the "Popular" badge. Economy, Heavy Duty, Performance, Premium and Standard Replacement are all represented, and Standard Replacement alone accounts for 19 parts.

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

10 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2005 Isuzu Ascender come from 5 brands — MAHLE / CLEVITE, FEL-PRO, APEX and 2 other brands. The "Popular" part is FEL-PRO 35632.

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

11 Thermostat Housing / Water Outlet parts are listed for the 2005 Isuzu Ascender, from DORMAN, GPD, MOTORAD and 4 other brands. DORMAN 902116 carries the "Popular" badge.

Economy: 6 parts, from DORMAN, GPD, AUTOTECNICA and 1 other brand. A representative part number is DORMAN 902116.

The Standard Replacement section: 5 options from MOTORAD, FOUR SEASONS and GATES. MOTORAD CH2836 is listed in this group.

This table covers the gaskets that seal the Water Inlet. 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

This group shows a single part: GM GENUINE 131169.

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

24 Water Pump parts are listed for the 2005 Isuzu Ascender, from SKP, US MOTOR WORKS, FVP and 8 other brands. SKP SK1307340 carries the "Popular" badge.

Economy: 11 parts, from SKP, US MOTOR WORKS, FVP and 2 other brands. A representative part number is SKP SK1307340.

The Standard Replacement section: 13 options from GATES, GMB, ACDELCO and 3 other brands. ACDELCO 252845 is listed in this group.

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

7 Water Pump & Fan Clutch Assembly parts are listed for the 2005 Isuzu Ascender, from US MOTOR WORKS, FVP and GMB.

This group includes FVP 1300004 and FVP 1300028 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

14 Water Pump Gasket parts for the 2005 Isuzu Ascender come from 7 brands — FEL-PRO, VICTOR REINZ, GM GENUINE and 4 other brands. The "Popular" part is FEL-PRO ES73010.

This table covers the Water Pump Seal O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

4 Water Pump Seal / O-Ring parts are listed for the 2005 Isuzu Ascender, from APEX, FEL-PRO, MAHLE / CLEVITE and 1 other brand.

Part numbers include APEX AWP3151, FEL-PRO 35633 and MAHLE / CLEVITE K31629, among others listed above.