29 Engine parts are listed for the 2006 Isuzu NQR, in 12 part types, covering the 5.2L L4 DIESEL Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2006 Isuzu NQR, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. Most of the listed parts are Oil Drain Plug (5 parts), Oil Filter (4 parts) and Valve Stem Seal (4 parts). The other 9 part types cover the remaining 16 parts.
Every part on this page is matched to the 5.2L L4 DIESEL Turbocharged — the only engine offered in the 2006 Isuzu NQR.
The most listed brands for 2006 Isuzu NQR engine parts are QUALCAST (10 parts), SBI (7 parts) and DORMAN (4 parts), plus 8 more brands. Quality grades include Economy and Standard Replacement.
1 part on this 2006 Isuzu NQR page carries a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — DORMAN 090053 (Oil Drain Plug). Click any part number to see every vehicle that part fits.
Cylinder Head
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ENGINE PRO | 910517 | 🇺🇸 US 🇨🇦 CA | BareDoes not include Valves, Cam, or Springs | View on Amazon |
This table covers the cylinder heads that close the top of the block.
One part is listed for the 2006 Isuzu NQR — ENGINE PRO 910517.
Cylinder Head Spacer Shim
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SBI | 2302166 | 🇺🇸 US 🇨🇦 CA | New HGT.- 4.6850Minimum Height-N/A | View on Amazon |
This table covers the Cylinder Head Spacer shims.
This group shows a single part: SBI 2302166.
Exhaust Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| QUALCAST | 1013122 | 🇺🇸 US 🇨🇦 CA | 1.456 Head DIA. 0.312 Stem. N-Series Trucks. (Mexico ELF 400-600). OEM # 8972098763 | View on Amazon |
| QUALCAST | 1013464 | 🇺🇸 US 🇨🇦 CA | 1.456 Head DIA. 0.3120 Stem DIA. 5.520 OAL. OEM # 8981583761 | View on Amazon |
| SBI | 13122 | 🇺🇸 US 🇨🇦 CA | OEM # 89439588308972098762 | View on Amazon |
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.
3 Exhaust Valve parts are listed for the 2006 Isuzu NQR, from QUALCAST and SBI.
Listed part numbers: QUALCAST 1013122, QUALCAST 1013464 and SBI 13122.
Intake Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| QUALCAST | 1013121 | 🇺🇸 US 🇨🇦 CA | 1.457 Head DIA. 0.313 Stem. N-Series Trucks. (Mexico ELF 400-600). OEM # 8943958822 | View on Amazon |
| QUALCAST | 1013463 | 🇺🇸 US 🇨🇦 CA | 1.457 Head DIA. 0.3130 Stem DIA. 5.530 OAL. OEM # 8980388700 | View on Amazon |
| SBI | 13121 | 🇺🇸 US 🇨🇦 CA | OEM # 89439588205.140 overall Length | View on Amazon |
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.
3 Intake Valve parts are listed for the 2006 Isuzu NQR, from QUALCAST and SBI.
Listed part numbers: QUALCAST 1013121, QUALCAST 1013463 and SBI 13121.
Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | 773780 | 🇺🇸 US 🇨🇦 CA | Premium Blue 8600 ES SAE 15W-401 Gallon | View on Amazon |
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.
One part is listed for the 2006 Isuzu NQR — VALVOLINE 773780.
Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular | 090053 | 🇺🇸 US 🇨🇦 CA | MetalPilot Point | View on Amazon |
| AGS | ODP00007 | 🇺🇸 US 🇨🇦 CA | M14x1.50 | View on Amazon |
| DORMAN | 090075 | 🇺🇸 US 🇨🇦 CA | StandardM14-1.50 | View on Amazon |
| DORMAN | 092020 | 🇺🇸 US 🇨🇦 CA | Thread Size: M14-1.50Twist Style | View on Amazon |
| SKP | SK090053CD | 🇺🇸 US 🇨🇦 CA | Metal | View on Amazon |
This table covers the drain plugs in the oil pan.
5 Oil Drain Plug parts are listed for the 2006 Isuzu NQR, from DORMAN, AGS and SKP. DORMAN 090053 carries the "Popular" badge.
This group includes DORMAN 090053, AGS ODP00007 and DORMAN 090075 and the remaining parts above.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 097135 | 🇺🇸 US 🇨🇦 CA | SizeM14, 9/16" | View on Amazon |
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.
This group shows a single part: DORMAN 097135.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMP / LUBER-FINER | LFP5964 | 🇺🇸 US 🇨🇦 CA | Spin-On | View on Amazon |
| VARIOUS MFR | PG5495 | 🇺🇸 US 🇨🇦 CA | with OE# 8971482700 | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS / BALDWIN | LF507 | 🇺🇸 US 🇨🇦 CA | Dual-Flow | View on Amazon |
| WIX | 57521 | 🇺🇸 US 🇨🇦 CA | Spin-On Lube Filter | View on Amazon |
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.
4 Oil Filter parts are listed for the 2006 Isuzu NQR, from CHAMP / LUBER-FINER, VARIOUS MFR, HASTINGS / BALDWIN and 1 other brand.
In the Economy grade, CHAMP / LUBER-FINER and VARIOUS MFR supply 2 parts: the catalog's value-priced group. A representative part number is CHAMP / LUBER-FINER LFP5964.
The Standard Replacement section lists 2 options from HASTINGS / BALDWIN and WIX — built to original-equipment specification. HASTINGS / BALDWIN LF507 is listed in this group.
Listed part numbers: CHAMP / LUBER-FINER LFP5964, VARIOUS MFR PG5495 and HASTINGS / BALDWIN LF507, plus the other parts above.
Valve Guide
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| QUALCAST | 303297 | 🇺🇸 US 🇨🇦 CA | 2.245 OAL. 0.316 I.D. 0.553 O.D. OEM # 8973767191 | View on Amazon |
| QUALCAST | 303101 | 🇺🇸 US 🇨🇦 CA | 2.245 OAL. 0.3150 I.D. 0.5526 O.D. OEM # 8943907800 | View on Amazon |
| SBI | 1403101 | 🇺🇸 US 🇨🇦 CA | Intake and Exhaust0.3150 I.D. | View on Amazon |
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.
3 Valve Guide parts are listed for the 2006 Isuzu NQR, from QUALCAST and SBI.
Listed part numbers: QUALCAST 303297, QUALCAST 303101 and SBI 1403101.
Valve Seat
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| QUALCAST | 2215021 | 🇺🇸 US 🇨🇦 CA | INSERT | View on Amazon |
| QUALCAST | 2215022 | 🇺🇸 US 🇨🇦 CA | INSERT | View on Amazon |
This table covers the Valve seats.
2 Valve Seat parts for the 2006 Isuzu NQR come from QUALCAST.
Listed part numbers: QUALCAST 2215021 and QUALCAST 2215022.
Valve Spring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SBI | 1601570 | 🇺🇸 US 🇨🇦 CA | Intake2.386 Length | View on Amazon |
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.
This group shows a single part: SBI 1601570.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| QUALCAST | 3896245 | 🇺🇸 US 🇨🇦 CA | Viton Ring and Spring | View on Amazon |
| QUALCAST | 38700255 | 🇺🇸 US 🇨🇦 CA | Viton Metal Clad. OEM # 8973767200 | View on Amazon |
| SBI | 1221413 | 🇺🇸 US 🇨🇦 CA | Intake and ExhaustViton Material | View on Amazon |
| SBI | 1221137 | 🇺🇸 US 🇨🇦 CA | Intake and ExhaustViton Material | View on Amazon |
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.
4 Valve Stem Seal parts are listed for the 2006 Isuzu NQR, from QUALCAST and SBI.
Part numbers include QUALCAST 3896245, QUALCAST 38700255 and SBI 1221413, among others listed above.
Buying Engine Parts for a 2006 Isuzu NQR
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- Confirm you have the 5.2L L4 DIESEL Turbocharged engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Oil Drain Plug and Oil Filter .
Frequently Asked Questions
How many engine parts fit the 2006 Isuzu NQR?
Our catalog currently lists 29 engine parts for the 2006 Isuzu NQR across 12 subcategories and 11 brands, covering the 5.2L L4 DIESEL Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 2006 Isuzu NQR?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What oil viscosity is listed for the 2006 Isuzu NQR?
Oil rows on this page include SAE 15W-40. Confirm the engine and the weight on the filler cap before you buy — high-mileage and standard fills can differ.
What should I replace at the same time?
Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2006 Isuzu NQR was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2006 Isuzu NQR?
Every part on this page is matched to the 5.2L L4 DIESEL Turbocharged engine. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2006 Isuzu NQR
Engine Parts for Other Isuzu NQR Years
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