4-door removable-top SUV (Unlimited) · 6.4L HEMI V8 (Moab 392 / Willys 392)
2026 Jeep Wrangler Willys 392 — 6.4L HEMI V8 (Moab 392 / Willys 392), 8-speed automatic
The 2026 factory powertrain material identifies this 4-door removable-top suv (unlimited) 6.4L HEMI V8 (Moab 392 / Willys 392) and 8-speed automatic pairing.
Photo: “2026 Jeep Wrangler 4-Door Willys in Hydro Blue Pearl, front right, 2026-06-14.jpg” by Elise240SX / Wikimedia Commons, licensed under CC BY-SA 4.0. Cropped to 16:9.
Factory configuration
What this model is
- Trim
- Wrangler Willys 392
- Body style
- 4-door removable-top SUV (Unlimited)
- Engine
- 6.4L HEMI V8 (Moab 392 / Willys 392)
- Transmission
- 8-speed automatic
United States factory powertrain/body pairing. Appearance and equipment packages that do not change this identity are not duplicated here.
Configuration-specific ownership
Maintenance for this exact configuration
These items are filtered to the engine, transmission, trim, and model-year applicability recorded for this configuration. Broad Amazon category searches are suppressed here; shopping links appear only beside catalog-backed part numbers.
Service desk
What this car needs & when
Use this as a service-planning checklist for 2026 Jeep Wrangler Willys 392 — 6.4L HEMI V8 (Moab 392 / Willys 392), 8-speed automatic. Start with the interval, confirm which engine or configuration you have, then use an exact ordering reference when one is verified.
- Service topics
- 10
- Factory intervals
- 10
- Fitment-scoped
- 10
- Exact references
- 1
Before orderingIdentify 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 filter
Exact reference available
6.4L HEMI V8 — Moab 392 and Willys 392
Source: Jeep — 2026 Wrangler Owner's Manual · Scheduled Servicing — 6.4L and Maintenance Plan — 6.4L Gas, pages 278-282 · checked
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.
Source: Jeep — 2026 Wrangler Owner's Manual · Printed p. 279 — Severe Duty All Models · checked
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.
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
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
Search this part on Amazon
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.
Source: Jeep — 2026 Wrangler Owner's Manual · Printed pp. 274, 278–279 · checked
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.
Source: Jeep — 2026 Wrangler Owner's Manual · Printed p. 279 · checked
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.
Source: Jeep — 2026 Wrangler Owner's Manual · Printed pp. 279–280 · checked
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.
Source: Jeep — 2026 Wrangler Owner's Manual · Printed pp. 280–281 · checked
Parking-brake adjustment — 6.4L
Four-wheel-disc vehicles; whichever comes first.
Source: Jeep — 2026 Wrangler Owner's Manual · Printed p. 280 · checked
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.
Source: Jeep — 2026 Wrangler Owner's Manual · Printed pp. 280–281 · checked
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.
Source: Jeep — 2026 Wrangler Owner's Manual · Printed pp. 276, 281 · checked
Spark plugs
Sourced interval available
6.4L
First listed replacement; mileage only, calendar columns do not apply.
Source: Jeep — 2026 Wrangler Owner's Manual · Printed p. 282 · checked
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.
Source: Jeep — 2026 Wrangler Owner's Manual · Printed pp. 277, 282 · checked
Transmission and transfer-case fluid
Sourced interval available
Transfer-case drain and refill — 6.4L
Regular maintenance table; whichever comes first.
Source: Jeep — 2026 Wrangler Owner's Manual · Printed p. 280 · checked
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.
Source: Jeep — 2026 Wrangler Owner's Manual · Printed p. 281 · checked
Pcv valve
Sourced interval available
6.4L
First listed inspection; replace if necessary.
Source: Jeep — 2026 Wrangler Owner's Manual · Printed p. 281 · checked
Drive belts
Sourced interval available
Accessory-belt inspection — 6.4L
Inspect and replace if necessary; whichever comes first.
Source: Jeep — 2026 Wrangler Owner's Manual · Printed p. 281 · checked
Sources
Other 2026 configurations
- Wrangler — 3.6L Pentastar V6, 6-speed manual
- Wrangler — 3.6L Pentastar V6, 8-speed automatic
- Wrangler Unlimited — 3.6L Pentastar V6, 6-speed manual
- Wrangler Unlimited — 3.6L Pentastar V6, 8-speed automatic
- Wrangler — 2.0L turbocharged inline-four, 8-speed automatic
- Wrangler Unlimited — 2.0L turbocharged inline-four, 8-speed automatic
- Wrangler Unlimited 4xe — 2.0L turbo plug-in hybrid (4xe Unlimited), 8-speed automatic
- Wrangler Moab 392 — 6.4L HEMI V8 (Moab 392 / Willys 392), 8-speed automatic