Do I need Left or Right side?
M Case+ Fuse - Mopar (68377879AA)
40 Amp.
M Case+ Fuse - Mopar (68377879AA)
The M Case+ Fuse - Mopar (68377879AA) is a Genuine OEM electrical protection component designed to help safeguard high-current circuits on compatible Mopar vehicles. Fuses are a critical part of the vehicle’s electrical system, helping protect wiring, modules, and powered components from damage caused by overloads, short circuits, or excessive current draw during normal operation or fault conditions.
Manufactured by Mopar, the official parts division for Chrysler, Dodge, Jeep, and Ram vehicles, this M Case+ fuse is engineered to the same exact specifications as the original factory-installed fuse. Its OEM design ensures proper amperage characteristics, terminal fitment, and compatibility with the intended fuse block or power distribution center, helping maintain factory-correct electrical system protection.
Typically constructed with a durable molded housing and internal calibrated metal fusible element, this fuse is designed to operate reliably under the electrical demands of modern vehicle systems. The M Case+ design is commonly used for higher-amperage applications where dependable circuit protection is required for major electrical loads such as power distribution, control modules, motors, or other system-critical components depending on vehicle configuration.
A fuse may require replacement if the original element becomes blown due to an electrical overload, short circuit, or component fault. A failed fuse can result in the loss of function for the protected circuit and may indicate the need for additional diagnosis if the replacement fuse also fails. Installing the correct Mopar 68377879AA helps restore proper circuit protection and ensures the electrical system remains protected according to factory specifications.
For professional technicians, using genuine Mopar electrical protection components helps ensure correct amperage rating, fuse box compatibility, and reliable service performance. For DIY vehicle owners, choosing the proper OEM fuse helps avoid fitment and electrical protection issues commonly associated with incorrect or mismatched fuse replacements.
Key Features and Benefits
• Genuine Mopar OEM M Case+ fuse for high-current electrical circuit protection
• Helps protect wiring and components from overloads and short circuits
• Designed to factory specifications for proper amperage and fuse block fitment
• Constructed with durable electrical-grade housing and calibrated internal fuse element
• Direct replacement for blown, damaged, or missing original fuses
• Supports safe electrical system operation and factory-correct circuit protection
If you are replacing a failed fuse or restoring proper electrical protection in a high-current circuit, the M Case+ Fuse - Mopar (68377879AA) delivers the OEM-quality fit, safety, and reliability trusted by professional technicians and experienced DIY vehicle owners.
- Min. 12 Months
- Safe, Secure Checkout
Product Details
Description
40 Amp.
M Case+ Fuse - Mopar (68377879AA)
The M Case+ Fuse - Mopar (68377879AA) is a Genuine OEM electrical protection component designed to help safeguard high-current circuits on compatible Mopar vehicles. Fuses are a critical part of the vehicle’s electrical system, helping protect wiring, modules, and powered components from damage caused by overloads, short circuits, or excessive current draw during normal operation or fault conditions.
Manufactured by Mopar, the official parts division for Chrysler, Dodge, Jeep, and Ram vehicles, this M Case+ fuse is engineered to the same exact specifications as the original factory-installed fuse. Its OEM design ensures proper amperage characteristics, terminal fitment, and compatibility with the intended fuse block or power distribution center, helping maintain factory-correct electrical system protection.
Typically constructed with a durable molded housing and internal calibrated metal fusible element, this fuse is designed to operate reliably under the electrical demands of modern vehicle systems. The M Case+ design is commonly used for higher-amperage applications where dependable circuit protection is required for major electrical loads such as power distribution, control modules, motors, or other system-critical components depending on vehicle configuration.
A fuse may require replacement if the original element becomes blown due to an electrical overload, short circuit, or component fault. A failed fuse can result in the loss of function for the protected circuit and may indicate the need for additional diagnosis if the replacement fuse also fails. Installing the correct Mopar 68377879AA helps restore proper circuit protection and ensures the electrical system remains protected according to factory specifications.
For professional technicians, using genuine Mopar electrical protection components helps ensure correct amperage rating, fuse box compatibility, and reliable service performance. For DIY vehicle owners, choosing the proper OEM fuse helps avoid fitment and electrical protection issues commonly associated with incorrect or mismatched fuse replacements.
Key Features and Benefits
• Genuine Mopar OEM M Case+ fuse for high-current electrical circuit protection
• Helps protect wiring and components from overloads and short circuits
• Designed to factory specifications for proper amperage and fuse block fitment
• Constructed with durable electrical-grade housing and calibrated internal fuse element
• Direct replacement for blown, damaged, or missing original fuses
• Supports safe electrical system operation and factory-correct circuit protection
If you are replacing a failed fuse or restoring proper electrical protection in a high-current circuit, the M Case+ Fuse - Mopar (68377879AA) delivers the OEM-quality fit, safety, and reliability trusted by professional technicians and experienced DIY vehicle owners.
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|---|---|---|---|
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.