4PCS Oxygen O2 Sensor 1 & 2 for 2011-2017 Jeep Wrangler Upstream

In this review the reviewer looks at the 4PCS Oxygen O2 Sensor set designed for 2011-2017 Jeep Wrangler and a wide range of Chrysler, Dodge and RAM models. The bottom line: this kit is for owners who need a straightforward replacement of both upstream and downstream sensors and value a matched set that covers multiple engine types. It is best for DIY mechanics or professional installers who want a full four-sensor replacement at once, and the reviewer found that the set simplifies diagnosis and installation when the vehicle compatibility matches the listed models.

Key Features

• Complete 4-piece set: Includes 2 upstream and 2 downstream sensors so all O2 positions can be serviced at once for consistent readings across the exhaust system.
• Wide vehicle coverage: Advertised fitment spans many Chrysler, Dodge, Jeep and RAM models from early 2000s through 2020, which reduces the need to source individual sensors for similar engine families.
• Direct replacement design: Sensors are intended to match original fit and mounting points so installation is straightforward for common model years listed.
• One year quality guarantee: A one year guarantee offers some post-purchase protection against early failures or manufacturing defects.
• Engine-specific fit notes: The listing emphasizes checking make, model, year and engine details before purchase to ensure correct compatibility.

Who It's For

The kit is best for Jeep Wrangler owners from 2011-2017 who need both upstream and downstream sensors replaced at the same time, and for owners of compatible RAM, Dodge, Chrysler and Jeep models listed in the fitment who prefer purchasing a matched set. It suits experienced DIY mechanics and repair shops that want to avoid sourcing individual sensors for front and rear banks.

Those who should look elsewhere include owners with vehicles not listed in the fitment or those who do not want to replace all four sensors simultaneously. If a vehicle has a unique engine variant not specified in the fitment notes, confirm engine and note details first or buy by OEM part number.

Pros & Cons

Pros

• Complete four-sensor package reduces parts mismatch and staging for repairs.
• Covers many model years and engine options within Chrysler, Dodge, Jeep and RAM families.
• One year quality guarantee gives reasonable short-term assurance after installation.

Cons

• Compatibility depends on exact engine and model year details, so buyers must verify vehicle fit before ordering.

Specifications

Brand	higherbro
Quantity	4pcs (2x Upstream + 2x Downstream)
Primary fit	2011-2017 Jeep Wrangler
Additional fit	Selected RAM, Dodge, Chrysler and Jeep models from 2002-2020
Engine coverage	Multiple engines listed including 3.6L, 3.7L, 4.0L, 4.7L, 5.7L, 5.9L, 6.1L, 6.4L, 8.3L
Warranty	One Year Quality Guarantee

Our Verdict

The 4PCS Oxygen O2 Sensor set is a practical, cost-effective choice for Jeep Wrangler owners and technicians who need to replace both upstream and downstream sensors together and who confirm exact engine fitment. It delivers value by providing a matched set with broad model coverage and a one year guarantee, but buyers must check the vehicle selector details carefully to ensure the correct engine application.

Frequently Asked Questions

Does this kit include both upstream and downstream sensors?
Yes, the package contains 4 pieces: 2 upstream and 2 downstream sensors to service all O2 locations covered by the listing.

Will these sensors fit non-Jeep vehicles?
They are listed for many RAM, Dodge and Chrysler models as well; confirm the make, model, year and engine details before ordering.

What warranty is provided?
The product includes a one year quality guarantee against early manufacturing defects.