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Evaporative System Integrity Module Detector - Mopar (04861959AD)
Part Included With #1 Vapor Canister. Includes Hose. Also service with canister.
Evaporative System Integrity Module Detector – Mopar (04861959AD)
The Mopar Evaporative System Integrity Module Detector (04861959AD) is a Genuine OEM emissions control component engineered to monitor and verify the integrity of the vehicle’s evaporative emissions (EVAP) system on compatible Chrysler, Dodge, Jeep, and Ram models. This module plays a critical role in detecting leaks within the sealed fuel vapor system, helping ensure proper emissions compliance and fuel vapor containment. Manufactured to strict Mopar factory standards, it delivers accurate diagnostics and reliable system communication.
The EVAP system integrity module typically incorporates a pressure or vacuum sensor, internal pump mechanism (application dependent), and integrated electronic circuitry within a sealed housing. The module performs self-tests by creating controlled pressure or vacuum conditions within the EVAP system and monitoring for leaks. Its durable construction is designed to withstand temperature fluctuations, moisture exposure, and underbody environmental conditions.
The 04861959AD EVAP integrity module detector is developed as a vehicle-specific direct-fit component, matching original electrical connectors, mounting points, hose ports, and calibration parameters. Maintaining OEM programming and pressure calibration is essential to ensure accurate leak detection and proper communication with the engine control module (ECM). Non-OEM modules that do not meet factory specifications may trigger check engine lights or produce inaccurate diagnostic readings.
For professional technicians, installing a Genuine Mopar EVAP integrity module ensures adherence to manufacturer emissions standards during EVAP system service or repair procedures. For experienced DIY vehicle owners, selecting the OEM module eliminates compatibility uncertainty and restores factory-level diagnostic functionality without modification.
A properly functioning EVAP integrity module supports accurate leak detection, emissions compliance, and consistent fuel vapor management. Replacing a malfunctioning or fault-triggering module promptly helps prevent recurring warning indicators and ensures dependable emissions system operation.
• Genuine Mopar OEM EVAP system integrity module
• Integrated pressure/vacuum monitoring capability
• Factory-calibrated leak detection performance
• Sealed housing for environmental protection
• Precision-matched electrical and hose connections
• Vehicle-specific direct-fit configuration
If you are restoring proper evaporative emissions monitoring or replacing a faulty leak detection component, the Mopar Evaporative System Integrity Module Detector (04861959AD) provides factory-accurate fitment, dependable diagnostics, and OEM-engineered emissions system reliability for your vehicle.
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Product Details
Description
Part Included With #1 Vapor Canister. Includes Hose. Also service with canister.
Evaporative System Integrity Module Detector – Mopar (04861959AD)
The Mopar Evaporative System Integrity Module Detector (04861959AD) is a Genuine OEM emissions control component engineered to monitor and verify the integrity of the vehicle’s evaporative emissions (EVAP) system on compatible Chrysler, Dodge, Jeep, and Ram models. This module plays a critical role in detecting leaks within the sealed fuel vapor system, helping ensure proper emissions compliance and fuel vapor containment. Manufactured to strict Mopar factory standards, it delivers accurate diagnostics and reliable system communication.
The EVAP system integrity module typically incorporates a pressure or vacuum sensor, internal pump mechanism (application dependent), and integrated electronic circuitry within a sealed housing. The module performs self-tests by creating controlled pressure or vacuum conditions within the EVAP system and monitoring for leaks. Its durable construction is designed to withstand temperature fluctuations, moisture exposure, and underbody environmental conditions.
The 04861959AD EVAP integrity module detector is developed as a vehicle-specific direct-fit component, matching original electrical connectors, mounting points, hose ports, and calibration parameters. Maintaining OEM programming and pressure calibration is essential to ensure accurate leak detection and proper communication with the engine control module (ECM). Non-OEM modules that do not meet factory specifications may trigger check engine lights or produce inaccurate diagnostic readings.
For professional technicians, installing a Genuine Mopar EVAP integrity module ensures adherence to manufacturer emissions standards during EVAP system service or repair procedures. For experienced DIY vehicle owners, selecting the OEM module eliminates compatibility uncertainty and restores factory-level diagnostic functionality without modification.
A properly functioning EVAP integrity module supports accurate leak detection, emissions compliance, and consistent fuel vapor management. Replacing a malfunctioning or fault-triggering module promptly helps prevent recurring warning indicators and ensures dependable emissions system operation.
• Genuine Mopar OEM EVAP system integrity module
• Integrated pressure/vacuum monitoring capability
• Factory-calibrated leak detection performance
• Sealed housing for environmental protection
• Precision-matched electrical and hose connections
• Vehicle-specific direct-fit configuration
If you are restoring proper evaporative emissions monitoring or replacing a faulty leak detection component, the Mopar Evaporative System Integrity Module Detector (04861959AD) provides factory-accurate fitment, dependable diagnostics, and OEM-engineered emissions system reliability for your vehicle.
| Year | Make | Model | Body & Trim | Engine & Transmission |
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Shipping Policy
Shipping Time
Please allow 24-48 hours for us to process your order. Most in stock orders will arrive within 7-10 business days within the contiguous U.S. If we are out of stock of an item ordered we will order it from our distribution center warehouse which can add an additional 7-10 days to your delivery date. Parts that are on an excessive backorder of greater than 30 days will be noted on the product page itself. A product that is available for sale does not reflect our actual inventory as it’s constantly changing.
When a package is in transit, shipping times DO NOT include weekends. All orders are shipped complete.
Dynamic Shipping Cost Calculation
The shipping costs for orders are dynamically calculated when customers go through our checkout process. The calculation for shipping costs factor in the dimensions and weight of the products being purchased as well as the shipping destination and other shipping company-specific delivery options presented to the user when checking out.
UPS is our carrier of choice.
Refused Shipments
Freight charges incurred by the sender while attempting to deliver merchandise which is refused will be billed to the customer.
Core Charges
Customers are responsible for return shipping of a core if a core is required. Cores need to be sent back within their original packaging in order to be eligible for refund. Cores should be sent back to the address found on our contact us page. The package label should include “Core (your order number”
Canada & International Shipping
UPS is our carrier of choice. Shipping costs do not include duties, taxes or brokerage fees which will be due at the time of delivery. This amount is in addition to the shipping charges paid on your order.
Return Policy
- Contact us to arrange for any returns.
- A copy of the invoice will need to be included with the return.
- Parts must be resaleable and in the original packaging.
- We cannot take back used parts.
- We cannot take back installed or tried parts.
- Electrical parts are not returnable.
- We do reserve the right to refuse and return any parts we find have been installed, are used or do not meet the above criteria.
- Return request need to be within 30 days of receipt.
Vintage Parts
All sales are final for Vintage Parts, No returns can be accepted.
Cancellation Policy
- An order or a portion of an order may be cancelled up until the time it is shipped and no longer in our possession.
- If the cancelled part was special ordered from the manufacturer a return fee of 15% may apply.
Restocking Fees and Other Charges
Nope, Not here! We do not charge any re-stocking fees.
Mopar Original Parts is a factory-authorized source for genuine OEM Mopar parts and accessories covering Jeep, Ram, Dodge, and Chrysler. Whether you are replacing a Wrangler suspension component, a Ram 1500 brake assembly, or a Grand Cherokee sensor, every part we ship comes from dealership inventory with the manufacturer's warranty intact and is priced below MSRP. Use the vehicle selector to filter by year, model, and trim so you order the correct part the first time. Not sure which part number you need? Call us now and a parts specialist will verify fitment by VIN.