2026 Jeep Wrangler Willys 392 — 6.4L HEMI V8 (Moab 392 / Willys 392), 8-speed automatic

Service topics

10

Scheduled topics

10

Applicability stated

10

Exact references

1

Before ordering Identify your engine, options and build date. Part numbers and sizes can change within one model year. Shopping links appear only for catalog-backed references; still verify the listing against your vehicle before ordering.

• Engine oil and filterView intervals, applicability and sources

  01

  Engine oil and filter

  Exact reference available

  6.4L HEMI V8 — Moab 392 and Willys 392

  Applies to: 2026 · 6.4L HEMI V8 · United States

  Published interval: 6,000 mi / 10,000 km / 6 months · Maximum; oil-life indicator may require earlier service. Severe dusty/off-road or extended-idle service calls for 4,000 miles or 350 engine hours.

  Source: Jeep — 2026 Wrangler Owner's Manual · Scheduled Servicing — 6.4L and Maintenance Plan — 6.4L Gas, pages 278-282 · checked 2026-09-07

  Severe-duty oil change — all models

  Dusty/off-road operation or predominantly idling/very low engine RPM: 4,000 miles (6,500 km) or 350 engine hours. Retain the engine-specific calendar maximum; this severe recommendation does not extend it.

  Applies to: 2026 · 2.0L turbocharged inline-four, 2.0L turbo plug-in hybrid, 3.6L Pentastar V6, 6.4L HEMI V8 · United States

  Published interval: 4,000 mi · Dusty/off-road operation or predominantly idling/very low engine RPM: 4,000 miles (6,500 km) or 350 engine hours. Retain the engine-specific calendar maximum; this severe recommendation does not extend it.

  Source: Jeep — 2026 Wrangler Owner's Manual · Printed p. 279 — Severe Duty All Models · checked 2026-09-07

  6.4L HEMI V8 — exact 2026 cataloged oil-filter fitment

  Mopar's exact 2026 Wrangler Moab 392 selector lists bproauto 1BP00466AA as fitting the vehicle; this establishes fitment only, not a service interval. Mopar's separate 2026 Willys 392 selector returns the same part.

  Applies to: 2026 · 6.4L HEMI V8 (Moab 392 / Willys 392) · United States

  Source: Official Mopar eStore — 2026 Wrangler Moab 392 oil filters · 2026 Jeep Wrangler Moab 392 6.4L V8 — Oil Filters — bproauto 1BP00466AA — Fits Your Vehicle · checked 2026-08-31

  Verified ordering references

  • Validated equivalentbproauto 1BP00466AA

    Qty. 1 · Spin-on engine lubricating-oil filter · catalog-listed

    Cataloged by Mopar's exact vehicle selectors for both the 2026 Wrangler Moab 392 and Willys 392; confirm VIN and installed engine before ordering.

    Catalog: Official Mopar eStore — 2026 Wrangler Moab 392 oil filters · 2026 Jeep Wrangler Moab 392 6.4L V8 — Oil Filters — bproauto 1BP00466AA — Fits Your Vehicle · checked 2026-08-31

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• Scheduled checks and inspectionsView intervals, applicability and sources

  02

  Scheduled checks and inspections

  Sourced interval available

  Oil-change warning deadline

  After the oil-change message, service as soon as possible and within the next 500 miles (805 km). This is a warning-response deadline, not a recurring interval.

  Applies to: 2026 · 2.0L turbocharged inline-four, 2.0L turbo plug-in hybrid, 3.6L Pentastar V6, 6.4L HEMI V8 · United States

  Source: Jeep — 2026 Wrangler Owner's Manual · Printed pp. 274, 278–279 · checked 2026-09-07

  Monthly and fuel-stop checks — 6.4L

  Monthly: tires, battery terminals, coolant, engine oil, brake fluid and lights/electrical equipment. At each fuel stop check oil and washer fluid.

  Applies to: 2026 · 6.4L HEMI V8 · United States

  Published interval: 1 month · Monthly: tires, battery terminals, coolant, engine oil, brake fluid and lights/electrical equipment. At each fuel stop check oil and washer fluid.

  Source: Jeep — 2026 Wrangler Owner's Manual · Printed p. 279 · checked 2026-09-07

  At each oil change — 6.4L

  Inspect brake hoses/lines and CV/universal joints; replace the oil filter. Rotate tires at each scheduled service or earlier for irregular wear.

  Applies to: 2026 · 6.4L HEMI V8 · United States

  Source: Jeep — 2026 Wrangler Owner's Manual · Printed pp. 279–280 · checked 2026-09-07

  Brake lining, exhaust and suspension inspection — 6.4L

  Inspect brake linings, exhaust, front suspension/tie-rod ends/boot seals and damaged, worn or loose parts; replace as needed. Whichever comes first.

  Applies to: 2026 · 6.4L HEMI V8 · United States

  Published interval: 12,000 mi / 12 months · Inspect brake linings, exhaust, front suspension/tie-rod ends/boot seals and damaged, worn or loose parts; replace as needed. Whichever comes first.

  Source: Jeep — 2026 Wrangler Owner's Manual · Printed pp. 280–281 · checked 2026-09-07

  Parking-brake adjustment — 6.4L

  Four-wheel-disc vehicles; whichever comes first.

  Applies to: 2026 · 6.4L HEMI V8 · United States

  Published interval: 30,000 mi / 30 months · Four-wheel-disc vehicles; whichever comes first.

  Source: Jeep — 2026 Wrangler Owner's Manual · Printed p. 280 · checked 2026-09-07

• Engine air filterView intervals, applicability and sources

  03

  Engine air filter

  Sourced interval available

  6.4L

  Whichever comes first; dusty/off-road inspection every 12,000 miles/12 months and replacement if necessary.

  Applies to: 2026 · 6.4L HEMI V8 · United States

  Published interval: 30,000 mi / 30 months · Whichever comes first; dusty/off-road inspection every 12,000 miles/12 months and replacement if necessary.

  Source: Jeep — 2026 Wrangler Owner's Manual · Printed pp. 280–281 · checked 2026-09-07

• Cabin air filterView intervals, applicability and sources

  04

  Cabin air filter

  Sourced interval available

  Cabin air-filter replacement

  Mileage-based explicit interval: 12,000 miles (19,000 km). No calendar interval is stated.

  Applies to: 2026 · 2.0L turbocharged inline-four, 2.0L turbo plug-in hybrid, 3.6L Pentastar V6, 6.4L HEMI V8 · United States

  Published interval: 12,000 mi · Mileage-based explicit interval: 12,000 miles (19,000 km). No calendar interval is stated.

  Source: Jeep — 2026 Wrangler Owner's Manual · Printed pp. 276, 281 · checked 2026-09-07

• Spark plugsView intervals, applicability and sources

  05

  Spark plugs

  Sourced interval available

  6.4L

  First listed replacement; mileage only, calendar columns do not apply.

  Applies to: 2026 · 6.4L HEMI V8 · United States

  Published interval: 96,000 mi · First listed replacement; mileage only, calendar columns do not apply.

  Source: Jeep — 2026 Wrangler Owner's Manual · Printed p. 282 · checked 2026-09-07

• CoolantView intervals, applicability and sources

  06

  Coolant

  Sourced interval available

  Coolant replacement

  Whichever comes first. For 2.0L/4xe/3.6L, include engine, intercooler, power electronics and battery circuits where equipped; 6.4L table specifies engine coolant. No subsequent recurring interval is inferred.

  Applies to: 2026 · 2.0L turbocharged inline-four, 2.0L turbo plug-in hybrid, 3.6L Pentastar V6, 6.4L HEMI V8 · United States

  Published interval: 150,000 mi / 120 months · Whichever comes first. For 2.0L/4xe/3.6L, include engine, intercooler, power electronics and battery circuits where equipped; 6.4L table specifies engine coolant. No subsequent recurring interval is inferred.

  Source: Jeep — 2026 Wrangler Owner's Manual · Printed pp. 277, 282 · checked 2026-09-07

• Transmission and transfer-case fluidView intervals, applicability and sources

  07

  Transmission and transfer-case fluid

  Sourced interval available

  Transfer-case drain and refill — 6.4L

  Regular maintenance table; whichever comes first.

  Applies to: 2026 · 6.4L HEMI V8 · United States

  Published interval: 30,000 mi / 30 months · Regular maintenance table; whichever comes first.

  Source: Jeep — 2026 Wrangler Owner's Manual · Printed p. 280 · checked 2026-09-07

• Axle fluidView intervals, applicability and sources

  08

  Axle fluid

  Sourced interval available

  Front and rear axle-fluid inspection — 6.4L

  Inspect; change for police, taxi, fleet, sustained high-speed driving, off-road or frequent towing. Whichever comes first.

  Applies to: 2026 · 6.4L HEMI V8 · United States

  Published interval: 24,000 mi / 24 months · Inspect; change for police, taxi, fleet, sustained high-speed driving, off-road or frequent towing. Whichever comes first.

  Source: Jeep — 2026 Wrangler Owner's Manual · Printed p. 281 · checked 2026-09-07

• Pcv valveView intervals, applicability and sources

  09

  Pcv valve

  Sourced interval available

  6.4L

  First listed inspection; replace if necessary.

  Applies to: 2026 · 6.4L HEMI V8 · United States

  Published interval: 84,000 mi / 84 months · First listed inspection; replace if necessary.

  Source: Jeep — 2026 Wrangler Owner's Manual · Printed p. 281 · checked 2026-09-07

• Drive beltsView intervals, applicability and sources

  10

  Drive belts

  Sourced interval available

  Accessory-belt inspection — 6.4L

  Inspect and replace if necessary; whichever comes first.

  Applies to: 2026 · 6.4L HEMI V8 · United States

  Published interval: 60,000 mi / 60 months · Inspect and replace if necessary; whichever comes first.

  Source: Jeep — 2026 Wrangler Owner's Manual · Printed p. 281 · checked 2026-09-07