MOPAR 5281320AA Evaporative Integrity Module Detector

( Manufacturer Part Number: 5281320AA ), ( Part Type: Module Detector ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Make: Fiat ), ( Year: 2017 2018 2019 2020 ), ( Parts Included: Only Part Reference 16 On The Diagram Is Included )

Review MOPAR Genuine Evaporative System Integrity Module Detector fits 2017–2020

The **MOPAR 5281320AA Evaporative Integrity Module Detector** is a precision-engineered diagnostic component designed exclusively for modern Chrysler, Dodge, Jeep, and Ram vehicles equipped with the OBD-II (On-Board Diagnostics) system, specifically those utilizing the evaporative emissions control (EVAP) system. This high-performance sensor plays a critical role in maintaining compliance with stringent emissions regulations by continuously monitoring the integrity of the EVAP system, which prevents fuel vapors from escaping into the atmosphere. Crafted with MOPAR s signature reliability and built to meet or exceed OEM specifications, this module detector integrates seamlessly with the vehicle s powertrain control module (PCM) to detect leaks, blockages, or malfunctions within the EVAP canister, hoses, vents, and seals. Its advanced design incorporates a robust pressure transducer and a fail-safe diagnostic circuit, ensuring accurate readings even under varying engine conditions, such as idle, cruising, or during a cold start. The detector operates by measuring the pressure differential between the EVAP system and the atmosphere, alerting the PCM to any deviations that could indicate a leak or system failure. When triggered, the PCM stores a diagnostic trouble code (DTC) such as P0440, P0442, or P0455, prompting the vehicle s check engine light to illuminate and prompting the need for further diagnostics. Ideal for technicians and do-it-yourselfers alike, this module detector is a direct-fit replacement for the original equipment part, ensuring compatibility with vehicles ranging from the 2000s through the 2020s, including popular models like the Jeep Wrangler, Dodge Durango, Chrysler 300, and Ram 1500. Its durable construction, featuring corrosion-resistant materials and a secure mounting interface, guarantees long-term durability and consistent performance, even in demanding environments. Whether addressing a persistent check engine light, preparing for an emissions inspection, or performing routine maintenance, the MOPAR 5281320AA Evaporative Integrity Module Detector provides the precision and reliability needed to diagnose EVAP system issues with confidence, helping to keep your vehicle running efficiently and in full compliance with emissions standards.

### **Pros and Cons of buying a Mopar 5281320AA Evaporative Integrity Module Detector**

1. **Direct OEM Replacement** This part is manufactured by Mopar, the official Chrysler/Dodge/Jeep aftermarket brand, ensuring compatibility with factory specifications. It reduces the risk of fitment issues or performance problems compared to aftermarket knockoffs.

2. **Reliable Quality Control** Mopar parts are built to meet or exceed OEM standards, which means fewer early failures and better long-term durability compared to cheaper generic alternatives.

3. **Easy Installation** The evaporative integrity module (EIM) detector is a straightforward component, typically requiring minimal tools for replacement. Many users report being able to install it themselves in under an hour.

4. **Prevents Check Engine Light (CEL) Issues** A faulty EIM can trigger a "fuel system leak detected" code (P0442, P0446, etc.). Replacing it with a genuine Mopar part resolves the issue, restoring proper emissions system function.

5. **Widely Available** As an OEM part, it is stocked by most auto parts stores (AutoZone, O Reilly, NAPA) and online retailers (Amazon, RockAuto, MoparDirect), making it easy to source.

6. **Cost-Effective for Long-Term Use** While slightly more expensive upfront than aftermarket options, its reliability often justifies the cost, especially on high-mileage vehicles where emissions system failures are more likely.

7. **Supports Vehicle Warranty (If Applicable)** If your vehicle is still under manufacturer warranty, using an OEM part may help maintain coverage for related components (though labor costs are typically not covered).

---

1. **Higher Upfront Cost** Compared to generic or third-party EIM detectors, the Mopar part is more expensive. Prices typically range between **$50 $100**, depending on the retailer and sales.

2. **Potential Overkill for Minor Issues** If the original EIM was failing due to a minor internal fault (e.g., corroded contacts or a loose wire) rather than a complete failure, a replacement may not be strictly necessary. Diagnosing the root cause first could save money.

3. **Limited Lifespan on Older Vehicles** If your vehicle is very old (15 years), the EIM may still fail prematurely due to age-related wear, requiring future replacements. This could offset some of the cost savings of buying OEM.

4. **Mixed Reviews on Durability** While generally reliable, some users report that Mopar s EIM detectors have had inconsistent quality in the past, though this appears to be less common in newer models.

5. **Requires Basic Mechanical Knowledge** While simple, replacing the EIM involves working near fuel lines and the engine bay. Those uncomfortable with DIY repairs may prefer a professional installation, adding labor costs.

- A failing canister purge valve

- Cracked or disconnected hoses

- A faulty EVAP canister

- A bad gas cap

- Corroded or damaged wiring

Replacing the EIM without diagnosing these first may not resolve the underlying problem.

---

### **Conclusion**

The **Mopar 5281320AA Evaporative Integrity Module Detector** is a **strong choice** for most drivers who need a reliable, direct replacement part. Its OEM quality ensures compatibility and longevity, making it ideal for those who prioritize durability and ease of installation. However, it is **not always the most cost-effective solution** if the issue stems from another component or if the original part was only partially faulty.

Before purchasing, **verify the exact fault code** (using an OBD-II scanner) and **inspect the EVAP system** for leaks, damaged hoses, or other potential causes. If the code is confirmed as related to the EIM and no other issues are found, the Mopar part is a **solid recommendation** for long-term reliability.

For budget-conscious buyers, a **high-quality aftermarket EIM** (e.g., from **Dorman, Bosch, or ACDelco**) may offer similar performance at a lower cost, though with slightly less warranty coverage. Always weigh the **cost of the part against the potential savings from DIY installation** versus professional labor.

- You want a **direct OEM replacement** with guaranteed compatibility.

- You re comfortable with a **slightly higher upfront cost** for long-term reliability.

- The **fuel system leak code is confirmed** and no other EVAP issues exist.

- You re on a **tight budget** and the part is only moderately expensive.

- You ve **ruled out other EVAP system failures** (hoses, valves, gas cap).

- You prefer **brands with strong return policies** (e.g., Dorman, Bosch).

- The **code is intermittent** or other symptoms suggest a different issue.

- You re unsure whether the **EIM is the sole problem** test other components first.

In most cases, **the Mopar part is the safest bet** for a permanent fix, especially on modern Chrysler/Dodge/Jeep vehicles where emissions systems are critical to performance and fuel efficiency.

Details:

Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Electrical parts are not returnable.

part #: 5281320aa prices

• $83.63-$95.47

specifications emissyste:

• for makes: Mopar
• for years: 2017-2020
• mpn: 5281320aa
• part type: Module Detector
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• make: Fiat
• year: 2017 2018 2019 2020
• parts included: Only Part Reference 16 On The Diagram Is Included

general emissyste:

• condition: New
• Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts

returns emissyste:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

shipping emissyste:

• service: Standard
• transit: 5-13 Days
• type: Fixed
• cost: $24.30
• class: Standard

offer emissyste:

• sold: 0
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: February 7, 2026

payments emissyste:

• credit card: Visa
• other
• wallet: Google-pay

seller emissyste:

• # reviews: 579
• rating: 90.6%
• city: Garden City, Kansas

Mopar 5281320AA Is Similar To:

• 04578209ad Mopar Fuel Evaporative Emission Control System Lines (45.8% similar) This part fits vehicles made in the following years 2003 , 2004 . 24 lb width : 10...(May 8th, 2018)
• 04581485ad Mopar Brand New Genuine (29.4% similar) Brand new genuine mopar oem vacuum pump 4581485AD in box...(December 16th, 2017)
• 04861440aa Mopar New Genuine Oem Dodge Chrysler Jeep Vapor Canister Aa (36.2% similar) ...(October 22nd, 2018)
• 04861963ab Mopar Chrysler Dodge Jeep Esim Evaporative System Integrity Module (60.7% similar) ...(August 25th, 2018)
• 05085118ab Mopar Fuel Evaporative Emission Control System Lines (45.8% similar) ...(October 17th, 2018)
• 05147030ag Mopar Fuel Evaporative Emission Control System Lines (45.8% similar) In other part number: 05147030AF, 05147030AD, 05147030ACWEIGHT. This part fits vehicles made in the following years 2011 , 2012 , 2013 , 2014 . Superseded part numbers this item may have been from a different number manufacture...(May 8th, 2018)
• 05147085ac Mopar Fuel Evaporative Emission Control System Lines (45.8% similar) V6 gas naturally aspirated. 6 liter canister hose item specifics: height : 9 in length : 10 weight...(June 14th, 2018)
• 05154322ab Chrysler Brand New Genuine Mopar Oem Vacuum Pump (34.6% similar) Manufacturer part number: 5154322AB identified in schematic if applicable: no available. All of Tosca's top quality oem replacement parts are backed by a 12 month 12,000 mile warranty...(October 23rd, 2018)
• 05175907aa Chrysler Brand New Genuine Mopar Oem Vacuum Pump (29.9% similar) All of Tosca's top quality oem replacement parts are backed by a 12 month 12,000 mile warranty. Manufacturer part number: 5175907AA identified in schematic if applicable: no available...(October 23rd, 2018)
• 3577595 Mopar Dodge Plymouth Emissions System Charcoal Cannister (34.8% similar) Appears to have usable absorbent in the canister judging by color of material visible bottom. Chrysler part number. R outing for purge, fuel tank and carburetor bowl venting. Good condition. Charcoal canister used for emissions systems in 1970 S Chrysler dodge Plymouth passenger cars with all ...(November 14th, 2018)
• 4627972ac Mopar Genuine Control (40.4% similar) Parts must be resalable and in the original packaging. Electrical parts are not returnable. Shipping carrier substitutions may be made at our determination in an attempt to reduce cost the customer. Our jeep parts team is here to help...(November 19th, 2018)