Two-door removable-top 4x4 SUV · 4.0L High Output inline-six
1991 Jeep Wrangler — 4.0L High Output inline-six, AX-15 5-speed manual (4.0L)
The 1991 factory powertrain material identifies this two-door removable-top 4x4 suv 4.0L High Output inline-six and AX-15 5-speed manual (4.0L) pairing.
Photo: “1991 Jeep YJ in Silver Star, Front Left, 06-12-2022.jpg” by Elise240SX / Wikimedia Commons, licensed under CC BY-SA 4.0. Cropped to 16:9.
Factory configuration
What this model is
- Trim
- Wrangler
- Body style
- Two-door removable-top 4x4 SUV
- Engine
- 4.0L High Output inline-six
- Transmission
- AX-15 5-speed manual (4.0L)
United States factory powertrain/body pairing. Appearance and equipment packages that do not change this identity are not duplicated here.
Compare related 1991 configurations
Compare up to twelve documented pairings, prioritizing the same engine, body, trim and gearbox as this car. This related selection is not a complete factory lineup.
Browse all documented 1991 configurations →
Compare 3 related configurations — current car marked
| Configuration | Engine | Transmission | Body |
|---|---|---|---|
| Wrangler — 2.5L AMC inline-four, AX-5 5-speed manual (2.5L) | 2.5L AMC inline-four | AX-5 5-speed manual (2.5L) | Two-door removable-top 4x4 SUV |
| Current carWrangler — 4.0L High Output inline-six, AX-15 5-speed manual (4.0L) | 4.0L High Output inline-six | AX-15 5-speed manual (4.0L) | Two-door removable-top 4x4 SUV |
| Wrangler — 4.0L High Output inline-six, 3-speed automatic | 4.0L High Output inline-six | 3-speed automatic | Two-door removable-top 4x4 SUV |
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 1991 Jeep Wrangler — 4.0L High Output inline-six, AX-15 5-speed manual (4.0L). Start with the interval, confirm which engine or configuration you have, then use an exact ordering reference when one is verified.
- Service topics
- 3
- Scheduled topics
- 0
- Applicability stated
- 3
- Exact references
- 3
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
Engine oil and filter
Exact reference available
4.0L High Output inline-six — cataloged oil-filter fitment
Baldwin lists B34 for the cataloged 4.0L High Output inline-six Wrangler row; this establishes fitment only, not a service interval.
Source: Baldwin Filters — 2017 Automotive Applications catalog · Printed catalog page 347, Jeep 1991 Wrangler 4.0L High Output inline-six row — Lube — B34 · checked
Verified ordering references
- Validated equivalentBaldwin B34
Qty. 1 · Spin-on engine lubricating-oil filter · catalog-listed
Cataloged for the 1991 Wrangler 4.0L High Output inline-six; confirm VIN and installed engine before ordering.
Catalog: Baldwin Filters — 2017 Automotive Applications catalog · Printed catalog page 347, Jeep 1991 Wrangler 4.0L High Output inline-six row — Lube — B34 · checked
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Engine air filterView intervals, applicability and sources
Engine air filter
Exact reference available
4.0L High Output inline-six — cataloged air-filter fitment
Baldwin lists PA2101A for the cataloged 4.0L High Output inline-six Wrangler row; this establishes fitment only, not a service interval.
Source: Baldwin Filters — 2017 Automotive Applications catalog · Printed catalog page 347, Jeep 1991 Wrangler 4.0L High Output inline-six row — Air — PA2101A · checked
Verified ordering references
- Validated equivalentBaldwin PA2101A
Qty. 1 · Engine air-filter element · catalog-listed
Cataloged for the 1991 Wrangler 4.0L High Output inline-six; confirm VIN and installed engine before ordering.
Catalog: Baldwin Filters — 2017 Automotive Applications catalog · Printed catalog page 347, Jeep 1991 Wrangler 4.0L High Output inline-six row — Air — PA2101A · checked
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Fuel filterView intervals, applicability and sources
Fuel filter
Exact reference available
4.0L High Output inline-six — cataloged fuel-filter fitment
Baldwin lists BF890 for the cataloged 4.0L High Output inline-six Wrangler row; this establishes fitment only, not a service interval.
Source: Baldwin Filters — 2017 Automotive Applications catalog · Printed catalog page 347, Jeep 1991 Wrangler 4.0L High Output inline-six row — Fuel — BF890 · checked
Verified ordering references
- Validated equivalentBaldwin BF890
Qty. 1 · Fuel filter · catalog-listed
Cataloged for the 1991 Wrangler 4.0L High Output inline-six; confirm VIN and installed engine before ordering.
Catalog: Baldwin Filters — 2017 Automotive Applications catalog · Printed catalog page 347, Jeep 1991 Wrangler 4.0L High Output inline-six row — Fuel — BF890 · checked
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Search results may cover different scales, trims and model years. Check each listing; this search does not establish an exact replica of the documented vehicle.
Sources
Other 1991 configurations