2005 Isuzu NQR Engine Parts

This table covers the cylinder heads that close the top of the block. Read more

This group shows a single part: ENGINE PRO 910517.

This table covers the Cylinder Head Spacer shims. Read more

One part is listed for the 2005 Isuzu NQR — SBI 2302166.

This table covers the exhaust valves that let combustion gas out of the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

3 Exhaust Valve parts for the 2005 Isuzu NQR come from 2 brands — QUALCAST and SBI.

Part numbers include QUALCAST 1013122, QUALCAST 1013464 and SBI 13122.

This table covers the intake valves that let air (and fuel, on port-injected engines) into the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

3 Intake Valve parts for the 2005 Isuzu NQR come from 2 brands — QUALCAST and SBI.

Listed part numbers: QUALCAST 1013121, QUALCAST 1013463 and SBI 13121.

This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable. Read more

This group shows a single part: VALVOLINE 773780.

This table covers the drain plugs in the oil pan. Read more

5 Oil Drain Plug parts for the 2005 Isuzu NQR come from 3 brands — DORMAN, AGS and SKP. The "Popular" part is DORMAN 090053.

Listed part numbers: DORMAN 090053, AGS ODP00007 and DORMAN 090075, plus the other parts above.

This table covers the crush washers and gaskets under the oil drain plug. 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 2005 Isuzu NQR — DORMAN 097135.

This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive. Read more

4 Oil Filter parts for the 2005 Isuzu NQR come from 4 brands — CHAMP / LUBER-FINER, VARIOUS MFR, HASTINGS / BALDWIN and 1 other brand.

The Economy section lists 2 options from CHAMP / LUBER-FINER and VARIOUS MFR — the catalog's value-priced group. CHAMP / LUBER-FINER LFP5964 is listed in this group.

In the Standard Replacement grade, HASTINGS / BALDWIN and WIX supply 2 parts: built to original-equipment specification. A representative part number is HASTINGS / BALDWIN LF507.

Listed part numbers: CHAMP / LUBER-FINER LFP5964, VARIOUS MFR PG5495 and HASTINGS / BALDWIN LF507, plus the other parts above.

This table covers the pressed-in bronze and cast-iron guides that align valve stems. Typical signs include oil smoke on startup, a guide that has gone oval, or a valve that no longer seats quietly. Guides are a machine-shop fit. Confirm stem diameter in the notes before ordering. Read more

3 Valve Guide parts for the 2005 Isuzu NQR come from 2 brands — QUALCAST and SBI.

Listed part numbers: QUALCAST 303297, QUALCAST 303101 and SBI 1403101.

This table covers the Valve seats. Read more

QUALCAST supplies both parts for the 2005 Isuzu NQR.

This group includes QUALCAST 2215021 and QUALCAST 2215022.

This table covers the springs that close each intake and exhaust valve. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats. Read more

One part is listed for the 2005 Isuzu NQR — SBI 1601570.

This table covers the seals on each valve stem that control oil into the guides. 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

4 Valve Stem Seal parts for the 2005 Isuzu NQR come from 2 brands — QUALCAST and SBI.

Part numbers include QUALCAST 3896245, QUALCAST 38700255 and SBI 1221413, among others listed above.