Genuine Mopar Fuel Injector 4861667AA

Description

Product Overview

Designed as a direct‑fit replacement, the Genuine Mopar Fuel Injector 4861667AA combines factory‑grade engineering with a durable painted finish to meet the rigorous demands of modern Dodge, Chrysler, and Jeep powertrains. Constructed from high‑temperature resistant materials, the injector body resists corrosion and wear even under extreme combustion conditions. The precision‑machined nozzle delivers a finely atomized fuel spray that promotes efficient combustion, reduces emissions, and supports consistent horsepower across a wide RPM range. With a weight of just one pound and compact dimensions of 1 × 1 × 1 inch, the unit integrates seamlessly into the existing fuel rail without requiring modifications to brackets or hoses. Each injector is tested to Mopar’s strict quality standards, ensuring that the part matches the original equipment performance and longevity expectations.
The painted exterior not only provides aesthetic consistency with surrounding components but also adds an extra layer of protection against road salt and moisture, extending service intervals. Compatibility is verified for a range of model years, making it a versatile solution for both restoration projects and performance upgrades. The injector’s internal flow path is engineered to maintain optimal pressure differentials, supporting the engine’s electronic control unit in achieving precise fuel metering. Whether installed in a daily driver or a track‑focused build, this injector delivers the reliability and power needed to meet driver expectations.
Beyond its functional attributes, the injector reflects Mopar’s commitment to quality craftsmanship. The manufacturing process incorporates rigorous inspection steps, including dimensional verification, leak testing, and performance mapping, to guarantee that each unit leaves the factory within tight tolerance bands. This attention to detail translates into smoother idle, quicker throttle response, and improved overall drivability. For enthusiasts seeking a balance of durability and performance, the 4861667AA offers a proven solution that aligns with OEM specifications while providing the confidence of a genuine part.
Installation is straightforward, thanks to the injector’s exact match to original mounting points and connector types. No additional adapters or modifications are required, reducing labor time and potential error sources. The injector’s design also facilitates easy removal for future maintenance or upgrades, making it a practical choice for both professional mechanics and DIY owners. Its robust construction ensures long‑term operation, even under high‑load scenarios such as towing, off‑road excursions, or spirited driving on the track.

Usage

The Mopar 4861667AA injector is suited for a wide array of applications, from everyday commuting to high‑performance racing environments. Its precise fuel delivery enhances combustion efficiency, which can translate into modest fuel savings during regular city driving and noticeable power gains when the engine is pushed to higher outputs. Owners of Dodge Ram trucks, Chrysler sedans, and Jeep SUVs will find the injector compatible with factory‑specified fuel systems, ensuring seamless integration with existing engine control modules.
In performance‑oriented builds, the injector’s ability to maintain consistent spray patterns under increased boost pressure makes it an ideal component for turbocharged or supercharged configurations. When paired with upgraded fuel pumps and calibrated engine management software, the injector helps achieve optimal air‑fuel ratios, reducing the risk of lean conditions that could damage the engine. Its painted coating also resists the high‑temperature environment typical of track days, preserving internal tolerances and prolonging service life.
For routine maintenance, the injector can be inspected and cleaned using standard fuel system cleaning kits. Its compact size allows easy access within the engine bay, and the painted exterior makes visual inspection for wear or damage straightforward. Technicians can quickly verify proper operation by monitoring fuel pressure readings and injector pulse widths via diagnostic tools, ensuring that the unit performs within manufacturer‑specified parameters.
Owners seeking to replace a faulty injector will appreciate the direct‑fit nature of the 4861667AA, which eliminates the need for custom brackets or wiring harnesses. The part’s universal compatibility across multiple model years simplifies inventory management for parts distributors and reduces the likelihood of ordering errors. Whether the vehicle is a classic restoration project or a modern daily driver, the injector delivers the reliability expected from a genuine Mopar component.

Why Choose Us

Choosing the genuine Mopar 4861667AA injector means selecting a component that adheres to the same engineering standards as the original equipment installed at the factory. This commitment to authenticity ensures that performance characteristics such as flow rate, spray angle, and response time match the specifications required for optimal engine operation. Unlike aftermarket alternatives that may vary in quality, this injector provides the peace of mind that comes from a brand‑backed warranty and proven track record.
Our distribution network sources each injector directly from Mopar’s authorized manufacturing facilities, guaranteeing that every unit is authentic, unaltered, and accompanied by proper documentation. This traceability is especially valuable for customers who need to meet emissions compliance or warranty requirements for newer vehicles. In addition, the painted finish not only aligns with the visual design of the surrounding engine components but also adds a protective barrier against corrosion, extending the part’s usable lifespan.
We stand behind the durability of the 4861667AA with a comprehensive after‑sales support program. Should any issues arise during installation or early operation, our technical support team is equipped to provide troubleshooting guidance, replacement parts, or warranty service as needed. This level of customer care differentiates us from generic parts sellers and reinforces the value of investing in a genuine Mopar solution.
Furthermore, our commitment to sustainability includes responsible packaging and recycling initiatives, ensuring that the environmental impact of delivering the injector is minimized. By selecting a product that combines performance, reliability, and responsible manufacturing practices, customers contribute to a greener automotive ecosystem while enjoying the benefits of a high‑quality fuel injector.

Key Features

• Direct‑fit OEM design eliminates the need for adapters, ensuring a quick and hassle‑free installation for both professionals and DIY enthusiasts.
• Painted corrosion‑resistant finish protects the injector from road salt, moisture, and high‑temperature exposure, extending service intervals.
• Precision‑engineered nozzle delivers a fine fuel atomization that improves combustion efficiency, leading to smoother throttle response and better fuel economy.
• High‑temperature resistant materials maintain structural integrity under extreme engine loads, making it suitable for performance upgrades and heavy‑duty applications.
• Comprehensive manufacturer warranty and dedicated technical support provide confidence and assistance throughout the product’s lifecycle.

FAQ

Is the 4861667AA injector compatible with all Dodge, Chrysler, and Jeep models?

The 4861667AA is engineered to fit a broad range of Dodge, Chrysler, and Jeep vehicles produced from the early 2000s onward. Compatibility charts provided by Mopar list specific engine families and model years, ensuring that the injector aligns with the factory‑specified fuel rail, connector type, and electronic control parameters. For exact fitment, customers should verify their vehicle’s VIN against the Mopar part number database.

Can I install the injector myself, or do I need a professional mechanic?

Because the injector is a direct‑fit replacement that matches the original mounting points and electrical connector, many experienced DIYers can complete the installation with basic hand tools and a fuel system pressure gauge. However, proper fuel system depressurization, connector handling, and ECU reset procedures are essential to avoid damage. If you are unfamiliar with fuel system work, seeking assistance from a qualified technician is recommended.

What benefits does the painted finish provide compared to an unpainted injector?

The painted coating serves two primary purposes: aesthetic integration and corrosion protection. Visually, the finish matches the surrounding engine components, preserving the vehicle’s factory appearance. Functionally, the paint acts as a barrier against moisture, road salt, and high‑temperature oxidation, reducing the likelihood of rust or surface degradation that could impair injector performance over time.

How does this injector affect engine performance and fuel efficiency?

The precision‑machined nozzle creates a finely atomized fuel spray, which promotes more complete combustion. This results in smoother engine operation, quicker throttle response, and a modest improvement in fuel efficiency under normal driving conditions. In performance‑oriented setups, the injector’s consistent flow helps maintain optimal air‑fuel ratios, supporting higher horsepower and torque outputs while protecting the engine from lean‑condition damage.

What warranty coverage is offered with the Mopar 4861667AA injector?

All genuine Mopar injectors come with a limited warranty that covers manufacturing defects for a period of 12 months or 12,000 miles, whichever occurs first. The warranty includes replacement of defective parts and, when necessary, technical assistance for installation issues. Customers can contact our support team with the purchase receipt and part serial number to initiate a warranty claim.