2026 Lexus NX350H Engine Parts

This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

This group shows a single part: ELRING 106910.

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

ELRING supplies both parts for the 2026 Lexus NX350H.

This group includes ELRING 838030 and ELRING 838060.

This table covers the head gaskets that seal the block to the cylinder head. 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

This group shows a single part: ELRING 106450.

This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

This group shows a single part: ELRING 107070.

This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

This group shows a single part: ELRING 085160.

This table covers the gaskets between the intake manifold and the cylinder head. 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

This group shows a single part: ELRING 106460.

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

One part is listed for the 2026 Lexus NX350H — QUALCAST 1030532.

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

7 Oil parts are listed for the 2026 Lexus NX350H, from VALVOLINE and MOBIL. MOBIL 124321 carries the "Popular" badge.

This group includes MOBIL 124321, VALVOLINE 878399 and VALVOLINE 878400 and the remaining parts above.

This table covers the seals at the Oil Cooler. 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: ELRING 918130.

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

ELRING supplies both parts for the 2026 Lexus NX350H.

This group includes ELRING 587290 and ELRING 952850.

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

This group shows a single part: ELRING 473500.

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

One part is listed for the 2026 Lexus NX350H — GATES 31285.

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

11 Oil Filter parts are listed for the 2026 Lexus NX350H, from VARIOUS MFR, BOSCH, FVP and 5 other brands. VARIOUS MFR PG4476 carries the "Popular" badge.

In the Economy grade, VARIOUS MFR, BOSCH, FVP and 1 other brand supply 5 parts: the catalog's value-priced group. A representative part number is VARIOUS MFR PG4476.

In the High Performance / Heavy Duty grade, MOBIL supplies 1 part: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is MOBIL M1103A.

The Standard Replacement section lists 5 options from ACDELCO, BECK/ARNLEY, BOSCH and 2 other brands — built to original-equipment specification. ACDELCO PF1233 is listed in this group.

This table covers the chains that drive the oil pump. Read more

This group shows a single part: MELLING 1084.

This table covers the Oil Pump Chain tensioners. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage. Read more

One part is listed for the 2026 Lexus NX350H — MELLING BT7064.

This table covers the Oil Pump sprockets. Read more

This group shows a single part: MELLING S1325.

This table covers the timing chains that keep the cams in time with the crank. Read more

This group shows a single part: MELLING 1083.

This table covers kits that group a timing chain with the related tensioners and guides. Read more

3 Timing Chain & Component Kit parts are listed for the 2026 Lexus NX350H, from MELLING and INA.

This group includes INA ZC31083S, MELLING 31083SX and MELLING 31083S.

This table covers the guides and dampers that keep the timing chain on its path. Read more

2 Timing Chain Guide / Damper parts for the 2026 Lexus NX350H come from MELLING.

This group includes MELLING BT7063 and MELLING BG7049.

This table covers the tensioners that keep the timing chain taut. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage. Read more

One part is listed for the 2026 Lexus NX350H — MELLING BT7062.

This table covers the crankshaft sprockets that drive the timing chain or belt. Read more

MELLING supplies both parts for the 2026 Lexus NX350H.

This group includes MELLING S1323 and MELLING S1324.

This table covers the gaskets that seal the valve cover to the cylinder head. 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

ELRING supplies both parts for the 2026 Lexus NX350H.

Part numbers include ELRING 106790 and ELRING 106560.

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

2 Valve Spring parts for the 2026 Lexus NX350H come from QUALCAST.

Listed part numbers: QUALCAST 325507 and QUALCAST 325508.

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

ELRING supplies the 3 Valve Stem Seal parts for the 2026 Lexus NX350H.

This group includes ELRING 170020, ELRING 215420 and ELRING 215710.