2001 Jaguar XJ8 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

21 Coolant / Antifreeze parts are listed for the 2001 Jaguar XJ8, from PRESTONE, PEAK, VALVOLINE and 4 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 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 11 options from VALVOLINE, PENTOSIN, PRESTONE and 4 other brands — built to original-equipment specification. ACDELCO 105027 is listed in this group.

This table covers the hard pipes and extra hoses in the coolant circuit. Read more

5 Coolant Hose / Pipe parts are listed for the 2001 Jaguar XJ8, from ÜRO PARTS and REIN. ÜRO PARTS AJ83970 carries the "Popular" badge.

Part numbers include ÜRO PARTS AJ83970, REIN CHE0128R and ÜRO PARTS MNC6721AB, among others listed above.

This table covers the Coolant Level sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

3 Coolant Level Sensor parts are listed for the 2001 Jaguar XJ8, from GPD, ÜRO PARTS and WELLS.

Listed part numbers: GPD 1712540, ÜRO PARTS LNA5740AB and WELLS 5S11748.

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

This group shows a single part: ÜRO PARTS MNC4400AC.

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

4 Coolant Reservoir Cap parts for the 2001 Jaguar XJ8 come from 4 brands — ACDELCO, CALORSTAT, MOTORAD and 1 other brand.

This group includes ACDELCO 12R03, CALORSTAT RC0194 and MOTORAD T60 and the remaining parts above.

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

MOTORAD supplies both parts for the 2001 Jaguar XJ8.

This group includes MOTORAD 3128 and MOTORAD 3127.

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

One part is listed for the 2001 Jaguar XJ8 — TECHPRO JA3010103.

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 2001 Jaguar XJ8, from GATES and ÜRO PARTS.

Part numbers include GATES 31550 and ÜRO PARTS NCA2270AC.

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

7 Radiator Hose parts for the 2001 Jaguar XJ8 come from 4 brands — ÜRO PARTS, DAYCO, REIN and 1 other brand. The "Popular" part is ÜRO PARTS MNC4515AD.

Standard Replacement: 6 parts, from ÜRO PARTS, REIN, DAYCO and 1 other brand. A representative part number is ÜRO PARTS MNC4515AD.

In the Universal Hose (Straight, Bulk) grade, DAYCO supplies 1 part: grouped under the catalog's "Universal Hose (Straight, Bulk)" designation — the notes column spells out what sets them apart. A representative part number is DAYCO 76150.

Part numbers include ÜRO PARTS MNC4515AD, DAYCO 73174 and GATES 51347, among others listed 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

23 Temperature Sender / Sensor parts are listed for the 2001 Jaguar XJ8, from WALKER PRODUCTS, HELLA, HOLSTEIN and 11 other brands. WALKER PRODUCTS 21191026 carries the "Popular" badge.

Economy: 6 parts, from HOLSTEIN, NTK, REIN and 2 other brands. A representative part number is HOLSTEIN 2CTS0012.

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 21191026.

The Standard Replacement section: 16 options from HELLA, FOUR SEASONS, STANDARD MOTOR PRODUCTS and 6 other brands. FOUR SEASONS 36424 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

10 Thermostat parts for the 2001 Jaguar XJ8 come from 7 brands — MOTORAD, DORMAN, GATES and 4 other brands. The "Popular" part is GATES 33948.

The Economy section: 2 options from DORMAN. DORMAN 9021215 is listed in this group.

Standard Replacement: 8 parts, from MOTORAD, GATES, AISIN and 3 other brands. A representative part number is GATES 33948.

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

3 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2001 Jaguar XJ8, from ÜRO PARTS and MAHLE / CLEVITE.

This group includes MAHLE / CLEVITE C32008, ÜRO PARTS NCA2269CA and ÜRO PARTS NCA2246BA.

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

5 Thermostat Housing / Water Outlet parts for the 2001 Jaguar XJ8 come from 5 brands — ÜRO PARTS, DORMAN, GPD and 2 other brands. The "Popular" part is ÜRO PARTS AJ82217KITPRM.

The Economy section: 4 options from ÜRO PARTS, DORMAN, GPD and 1 other brand. ÜRO PARTS AJ82217KITPRM is listed in this group.

Standard Replacement: 1 part, from MOTORAD. A representative part number is MOTORAD CH2026.

Part numbers include ÜRO PARTS AJ82217KITPRM, DORMAN 9021026 and GPD 8241600, among others listed above.

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

8 Water Pump parts for the 2001 Jaguar XJ8 come from 8 brands — SKP, BECK/ARNLEY, FVP and 5 other brands. The "Popular" part is SKP SK1256030.

The Economy section: 5 options from SKP, BECK/ARNLEY, FVP and 2 other brands. SKP SK1256030 is listed in this group.

Standard Replacement: 3 parts, from GMB, AISIN and GATES. A representative part number is GMB 1256030.

This group includes SKP SK1256030, BECK/ARNLEY 1312245 and FVP US4124 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

One part is listed for the 2001 Jaguar XJ8 — MAHLE / CLEVITE K31850.