Two-door removable-top 4x4 SUV · 4.2L AMC inline-six
1990 Jeep Wrangler — 4.2L AMC inline-six, AX-15 5-speed manual (4.2L)
The 1990 factory powertrain material identifies this two-door removable-top 4x4 suv 4.2L AMC inline-six and AX-15 5-speed manual (4.2L) pairing.
Photo: “1990 Jeep Wrangler (34487426110).jpg” by Greg Gjerdingen from Willmar, USA / Wikimedia Commons, licensed under CC BY 2.0. Cropped to 16:9.
Factory configuration
What this model is
- Trim
- Wrangler
- Body style
- Two-door removable-top 4x4 SUV
- Engine
- 4.2L AMC inline-six
- Transmission
- AX-15 5-speed manual (4.2L)
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 1990 Jeep Wrangler — 4.2L AMC inline-six, AX-15 5-speed manual (4.2L). Start with the interval, confirm which engine or configuration you have, then use an exact ordering reference when one is verified.
- Service topics
- 3
- Factory intervals
- 0
- Fitment-scoped
- 3
- Exact references
- 3
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
4.2L AMC inline-six — cataloged oil-filter fitment
Baldwin lists B141 for the cataloged 4.2L AMC inline-six Wrangler row; this establishes fitment only, not a service interval.
Source: Baldwin Filters — 2017 Automotive Applications catalog · Printed catalog page 347, Jeep 1990 Wrangler 4.2L AMC inline-six row — Lube — B141 · checked
Verified ordering references
- Validated equivalentBaldwin B141
Qty. 1 · Spin-on engine lubricating-oil filter · catalog-listed
Cataloged for the 1990 Wrangler 4.2L AMC inline-six; confirm VIN and installed engine before ordering.
Catalog: Baldwin Filters — 2017 Automotive Applications catalog · Printed catalog page 347, Jeep 1990 Wrangler 4.2L AMC inline-six row — Lube — B141 · checked
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Engine air filter
Exact reference available
4.2L AMC inline-six — cataloged air-filter fitment
Baldwin lists PA642 for the cataloged 4.2L AMC inline-six Wrangler row; this establishes fitment only, not a service interval.
Source: Baldwin Filters — 2017 Automotive Applications catalog · Printed catalog page 347, Jeep 1990 Wrangler 4.2L AMC inline-six row — Air — PA642 · checked
Verified ordering references
- Validated equivalentBaldwin PA642
Qty. 1 · Engine air-filter element · catalog-listed
Cataloged for the 1990 Wrangler 4.2L AMC inline-six; confirm VIN and installed engine before ordering.
Catalog: Baldwin Filters — 2017 Automotive Applications catalog · Printed catalog page 347, Jeep 1990 Wrangler 4.2L AMC inline-six row — Air — PA642 · checked
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Fuel filter
Exact reference available
4.2L AMC inline-six — cataloged fuel-filter fitment
Baldwin lists BF886 for the cataloged 4.2L AMC inline-six Wrangler row; this establishes fitment only, not a service interval.
Source: Baldwin Filters — 2017 Automotive Applications catalog · Printed catalog page 347, Jeep 1990 Wrangler 4.2L AMC inline-six row — Fuel — BF886 · checked
Verified ordering references
- Validated equivalentBaldwin BF886
Qty. 1 · Fuel filter · catalog-listed
Cataloged for the 1990 Wrangler 4.2L AMC inline-six; confirm VIN and installed engine before ordering.
Catalog: Baldwin Filters — 2017 Automotive Applications catalog · Printed catalog page 347, Jeep 1990 Wrangler 4.2L AMC inline-six row — Fuel — BF886 · checked
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Sources
Other 1990 configurations