2004 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 2004 Isuzu Ascender, from PRESTONE, PEAK, VALVOLINE and 2 other brands. FVP MV5050GAL carries the "Popular" badge. All of them fit every engine offered in the 2004 Ascender.

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 Coolant Air Bleed Hose pipes. Read more

2 Coolant Air Bleed Hose / Pipe parts are listed for the 2004 Isuzu Ascender, from SKP and DORMAN.

Economy: 1 part, from SKP. A representative part number is SKP SK626543.

The Standard Replacement section: 1 option from DORMAN. DORMAN 626543 is listed in this group.

Listed part numbers: SKP SK626543 and DORMAN 626543.

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 36009.

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

3 Coolant Reservoir parts for the 2004 Isuzu Ascender come from 3 brands — 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 for the 2004 Isuzu Ascender come from 2 brands — GM GENUINE and MOTORAD. Every part fits both the 4.2L L6 and the 5.3L V8.

This group includes GM GENUINE RC122 and MOTORAD T46.

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

3 Coolant Water Crossover Mounting Set parts are listed for the 2004 Isuzu Ascender, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.

This group includes FEL-PRO ES73027, MAHLE / CLEVITE GS33845 and VICTOR REINZ 181002301.

This table covers the Cooling Fan control modules. Read more

4 Cooling Fan Control Module parts for the 2004 Isuzu Ascender come from US MOTOR WORKS. 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 are listed for the 2004 Isuzu Ascender, from GATES and MOTORAD. All of them fit every engine offered in the 2004 Ascender.

Part numbers include GATES 31431, GATES 31391 and MOTORAD 3128, among others listed 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

18 Radiator parts are listed for the 2004 Isuzu Ascender, from OSC, GPD, CSF and 6 other brands. CSF 3108 carries the "Popular" badge. 1 part fits every engine; the other 17 are engine-specific.

Economy: 3 parts, from GPD and OSC. A representative part number is GPD 2458C.

The Standard Replacement section: 15 options from CSF, KOYORAD, AGILITY and 5 other brands. CSF 3108 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 2004 Isuzu Ascender, from ACDELCO and GATES. All of them fit every engine offered in the 2004 Ascender.

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

11 Radiator Fan Clutch parts are listed for the 2004 Isuzu Ascender, from BECK/ARNLEY, HAYDEN, ULTRA-POWER and 8 other brands. BECK/ARNLEY 1300229 carries the "Popular" badge. All of them fit every engine offered in the 2004 Ascender.

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

One part is listed for the 2004 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

16 Radiator Hose parts for the 2004 Isuzu Ascender come from 4 brands — ACDELCO, DAYCO, GATES and 1 other brand. The "Popular" part is ACDELCO 20382S.

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

23 Temperature Sender / Sensor parts are listed for the 2004 Isuzu Ascender, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, GPD and 10 other brands. SKP SKTX89 carries the "Popular" badge.

Economy: 8 parts, from GPD, STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and 2 other brands. A representative part number is SKP SKTX89.

In the Full Service Kit grade, WALKER PRODUCTS supplies 1 part: grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. A representative part number is WALKER PRODUCTS 21191118.

The Standard Replacement section: 14 options from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, FOUR SEASONS and 6 other brands. ACDELCO 2134514 is listed in this group.

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 for the 2004 Isuzu Ascender come from 8 brands — MOTORAD, GM GENUINE, CALORSTAT and 5 other brands. The "Popular" part is GATES 33939. Grades run from Economy through Standard Replacement; Standard Replacement is the most populated section, led by MOTORAD, GM GENUINE, CALORSTAT and 3 other brands.

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

11 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2004 Isuzu Ascender, from MAHLE / CLEVITE, FEL-PRO, APEX and 3 other brands. FEL-PRO 35632 carries the "Popular" badge.

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

11 Thermostat Housing / Water Outlet parts for the 2004 Isuzu Ascender come from 7 brands — DORMAN, GPD, MOTORAD and 4 other brands. The "Popular" part is DORMAN 902116.

The Economy section: 6 options from DORMAN, GPD, AUTOTECNICA and 1 other brand. DORMAN 902116 is listed in this group.

Standard Replacement: 5 parts, from MOTORAD, FOUR SEASONS and GATES. A representative part number is MOTORAD CH2836.

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

One part is listed for the 2004 Isuzu Ascender — 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

26 Water Pump parts for the 2004 Isuzu Ascender come from 11 brands — SKP, US MOTOR WORKS, FVP and 8 other brands. The "Popular" part is SKP SK1307340. They are grouped as Economy and Standard Replacement, with Standard Replacement the largest group at 14 parts from GATES, GMB, MELLING and 3 other brands.

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

7 Water Pump & Fan Clutch Assembly parts for the 2004 Isuzu Ascender come from 3 brands — 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 are listed for the 2004 Isuzu Ascender, from FEL-PRO, VICTOR REINZ, GM GENUINE and 4 other brands. FEL-PRO ES73010 carries the "Popular" badge.

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 for the 2004 Isuzu Ascender come from 4 brands — 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.