2025 Lexus RX500H Engine Parts

This table covers the Engine covers. Read more

2 Engine Cover parts for the 2025 Lexus RX500H come from TECHPRO.

This group includes TECHPRO LX1228181 and TECHPRO LX1228182.

This table covers the mounts that hold the engine to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

One part is listed for the 2025 Lexus RX500H — ANCHOR 10379.

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

41 Oil parts are listed for the 2025 Lexus RX500H, from IDEMITSU, VALVOLINE, LIQUI MOLY and 3 other brands. LIQUI MOLY 2208 carries the "Popular" badge. They are grouped as Full Synthetic, High Mileage (>75,000 Miles) and Racing, with Full Synthetic the largest group at 33 parts from IDEMITSU, LIQUI MOLY, VALVOLINE and 3 other brands.

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

3 Oil Drain Plug parts are listed for the 2025 Lexus RX500H, from DORMAN and REIN.

This group includes DORMAN 090038, DORMAN 090049 and REIN HWU0112.

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

2 Oil Filler Cap parts are listed for the 2025 Lexus RX500H, from CALORSTAT and MOTORAD.

Part numbers include CALORSTAT OC2312 and MOTORAD MO155.

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

15 Oil Filter parts are listed for the 2025 Lexus RX500H, from VARIOUS MFR, BOSCH, FRAM and 8 other brands. VARIOUS MFR PG4476 carries the "Popular" badge.

In the Economy grade, VARIOUS MFR, FRAM, BOSCH and 2 other brands supply 7 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 7 options from ACDELCO, BECK/ARNLEY, BOSCH and 4 other brands — built to original-equipment specification. ACDELCO PF1233 is listed in this group.

This table covers the Oil 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

One part is listed for the 2025 Lexus RX500H — STANDARD MOTOR PRODUCTS FLS359.

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

2 Oil Pump Chain parts for the 2025 Lexus RX500H come from 2 brands — MELLING and S.A. GEAR.

This group includes MELLING 1110 and S.A. GEAR C1273.

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

2 Oil Pump Chain Tensioner parts are listed for the 2025 Lexus RX500H, from MELLING and PREFERRED COMPONENTS INC.

Listed part numbers: MELLING BT7064 and PREFERRED COMPONENTS INC T66361.

This table covers the Oil Pump sprockets. Read more

This group shows a single part: S.A. GEAR S1581.

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

2 Timing Chain parts for the 2025 Lexus RX500H come from 2 brands — MELLING and S.A. GEAR.

This group includes MELLING 1109 and S.A. GEAR C1272.

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

4 Timing Chain & Component Kit parts are listed for the 2025 Lexus RX500H, from S.A. GEAR and MELLING.

Economy: 2 parts, from S.A. GEAR. A representative part number is S.A. GEAR 76492S.

The Standard Replacement section: 2 options from MELLING. MELLING 31109SAX is listed in this group.

Part numbers include S.A. GEAR 76492S, S.A. GEAR 76492 and MELLING 31109SAX, among others listed above.

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

5 Timing Chain Guide / Damper parts for the 2025 Lexus RX500H come from 2 brands — MELLING and S.A. GEAR.

Listed part numbers: MELLING BG7070, MELLING BG7071 and MELLING BT7088, plus the other parts above.

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

2 Timing Chain Tensioner parts are listed for the 2025 Lexus RX500H, from MELLING and S.A. GEAR.

Listed part numbers: MELLING BT7089 and S.A. GEAR 91482.

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

S.A. GEAR supplies both parts for the 2025 Lexus RX500H.

This group includes S.A. GEAR S1579 and S.A. GEAR S1580.

This table covers the Valve Spring retainers. Read more

This group shows a single part: MELLING VSR726.

This table covers the keepers that lock each valve-spring retainer to the stem. Read more

This group shows a single part: MELLING VL1100.