2011 Isuzu NPR Engine Parts

This table covers the sleeves used to restore a grooved crankshaft seal surface. Read more

This group shows a single part: NATIONAL 99210.

This table covers the front and rear seals that keep oil in at the crankshaft. 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

5 Crankshaft Seal parts for the 2011 Isuzu NPR come from 4 brands — NATIONAL, ACDELCO, SCHAEFFLER and 1 other brand. The "Popular" part is NATIONAL 100470.

Part numbers include NATIONAL 100470 and NATIONAL 100085, among others listed above.

This table covers the Cylinder Head Spacer shims. Read more

One part is listed for the 2011 Isuzu NPR — SBI 2302198.

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

4 Exhaust Valve parts for the 2011 Isuzu NPR come from 2 brands — QUALCAST and SBI.

Part numbers include QUALCAST 103201, QUALCAST 1013122 and QUALCAST 1013464, among others listed above.

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

4 Intake Valve parts for the 2011 Isuzu NPR come from 2 brands — QUALCAST and SBI.

Listed part numbers: QUALCAST 103200, QUALCAST 1013121 and QUALCAST 1013463, plus the other parts above.

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

6 Oil parts for the 2011 Isuzu NPR come from VALVOLINE. The "Popular" part is VALVOLINE 773780.

The Conventional section lists 1 option from VALVOLINE — grouped under the catalog's "Conventional" designation — the notes column spells out what sets them apart. VALVOLINE 773780 is listed in this group.

The Full Synthetic section lists 1 option from VALVOLINE — full-synthetic oils. VALVOLINE 909772 is listed in this group.

The Heavy Duty / Diesel section lists 1 option from VALVOLINE — grouped under the catalog's "Heavy Duty / Diesel" designation — the notes column spells out what sets them apart. VALVOLINE 909778 is listed in this group.

The Synthetic Blend section lists 3 options from VALVOLINE — synthetic-blend oils. VALVOLINE 909766 is listed in this group.

This group includes VALVOLINE 773780, VALVOLINE 909772 and VALVOLINE 909778 and the remaining parts above.

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

5 Oil Drain Plug parts for the 2011 Isuzu NPR 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 2011 Isuzu NPR — DORMAN 097135.

This table covers the caps on the oil filler neck. Read more

This group shows a single part: MOTORAD MO101.

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

7 Oil Filter parts for the 2011 Isuzu NPR come from 5 brands — HASTINGS / BALDWIN, WIX, FAMOUS BRAND and 2 other brands.

The Economy section lists 2 options from FAMOUS BRAND and VARIOUS MFR — the catalog's value-priced group. FAMOUS BRAND 94007 is listed in this group.

In the Standard Replacement grade, HASTINGS / BALDWIN, WIX and HENGST supply 5 parts: built to original-equipment specification. A representative part number is HASTINGS / BALDWIN P40021.

Part numbers include FAMOUS BRAND 94007, VARIOUS MFR PG5495 and HASTINGS / BALDWIN P40021, among others listed above.

This table covers the rings that seal each piston to the cylinder wall. Read more

HASTINGS MANUFACTURING supplies both parts for the 2011 Isuzu NPR.

This group includes HASTINGS MANUFACTURING 2C7456 and HASTINGS MANUFACTURING 2C7456S.

This table covers the turbochargers that compress intake air. Read more

2 Turbocharger parts for the 2011 Isuzu NPR come from 2 brands — GPD and ROTOMASTER.

Listed part numbers: GPD 2513065 and ROTOMASTER J1550138N.

This table covers the gaskets that seal the Turbocharger. 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

DORMAN supplies both parts for the 2011 Isuzu NPR.

This group includes DORMAN 6749029 and DORMAN 6749059.

This table covers the Turbocharger Wastegate Solenoid actuators. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same. Read more

This group shows a single part: DORMAN 667947.

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 2011 Isuzu NPR 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 2011 Isuzu NPR.

Part numbers include 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 2011 Isuzu NPR — 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

3 Valve Stem Seal parts for the 2011 Isuzu NPR come from 2 brands — QUALCAST and SBI.

This group includes QUALCAST 3896245, QUALCAST 38700255 and SBI 1221508.