Narva MJC Mini Fusible Link 40A 1 Pce Part No. 51140BL

The Narva MJC Mini Fusible Link 40A 1 Pce is a vehicle electrical protection component supplied as a single piece, with part number 51140BL. It is listed as a fusible link and rated at 40A, making the current rating the key detail to check before ordering or replacing an existing part.

This part sits in Narva’s auto electrical accessories range and is grouped with fuses, breakers, relays and switches. If you are matching an existing setup, the Part No. 51140BL and the 40A rating are the main identifiers to confirm against the item already fitted in the vehicle or electrical circuit.

Because fusible links are selected to suit the circuit they protect, it is important to compare the physical application and the current rating rather than assuming all mini fusible links are interchangeable. This listing is for one piece, so it suits a direct replacement where a single 40A link is required.

Key Features

• Narva MJC Mini Fusible Link
• 40A current rating
• Supplied as 1 piece
• Part No. 51140BL
• Fusible link type
• Brand: Narva

Specifications

• Product type: Fusible link
• Brand: Narva
• Part No.: 51140BL
• Current rating: 40A
• Unit of measure: Each
• Quantity supplied: 1 piece
• Warranty: One year
• Product group 1: Auto Elec Accessories

Application and Buying Notes

Before buying, check that your existing part or required replacement is a mini fusible link rated at 40A. The confirmed identifiers here are Narva, Part No. 51140BL, and 1 piece per order, so those details should be matched carefully against the vehicle’s electrical protection setup.

Fusible links are not a one-size-fits-all item. The safest way to confirm suitability is to compare the part number, the 40A rating, and the application already fitted to the vehicle or circuit. If the installed link has a different amperage rating, it should not be treated as a direct replacement without checking the required specification.

The one-year warranty applies to the product as supplied, but warranty cover does not replace the need to verify the correct part before installation. A correctly rated fusible link is selected to suit the circuit it protects, so take care to confirm the same current rating and the same style of component before purchase.

If you are replacing a blown link, inspect the surrounding wiring and the original holder or assembly as part of the diagnosis. A fusible link is usually fitted for circuit protection, so the cause of the failure should be considered before fitting a new one, especially where the circuit has experienced overload or damage.

Before supply, the safest approach is to confirm the original unit details against the listed part number, voltage, output rating, mounting arrangement, and pulley configuration. That checking process is standard practice in the parts trade because visually similar units can still differ in service-critical ways.

For workshop, fleet, and equipment applications, accurate identification of part number 51140BL helps avoid unnecessary freight, additional labour, and vehicle or machine downtime. Where the application is not straightforward, the original unit, OEM reference, or workshop records should be used as the primary confirmation point.

Relevant published details for this unit include Type FUSIBLE LINK, Unit of Measure EACH, Warranty One Year, Product Group 2 FUSES BREAKERS RELAYS SWITCHES, Part No. 51140BL, Brand NARVA, Description Narva MJC Mini Fusible Link 40A 1 Pce, Product Group 1 AUTO ELEC ACCESSORIES.

Narva MJC Mini Fusible Link 40A 1 Pce. Part number 51140BL should be checked first. These details form the core reference points used by parts interpreters when confirming the correct replacement.

For part number 51140BL, the normal identification sequence is part number, electrical rating, mounting arrangement, connector or terminal style, and pulley or drive details. Using those checkpoints helps confirm that the listed unit matches the service requirement rather than only looking similar.

For a fusible link in workshop, fleet, trade, agricultural, or construction service, the listed electrical specification should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Where no verified application list is available, the part number, mounting details, connector style, and published specifications should be used as the primary selection criteria.

In the absence of a verified fitment list, the safest approach is to compare the removed unit directly with the listed product details. That includes checking the housing style, pulley layout, regulator arrangement, and any visible identification numbers before supply is approved.

Compatibility note: Confirm compatibility by checking the existing part number, the 40A rating, and the vehicle application before ordering. If the fitted component does not match Narva Part No. 51140BL or the same mini fusible link specification, do not assume it is interchangeable.

FAQ

What is this product?

It is a Narva MJC Mini Fusible Link, supplied as 1 piece and rated at 40A. The part number is 51140BL. For this listing, part number 51140BL is the main reference point. These details should still be checked against the original unit before ordering.

How many pieces are included?

One piece is included per order. For this listing, part number 51140BL is the main reference point. These details should still be checked against the original unit before ordering.

What current rating does it have?

The listed current rating is 40A. For this listing, part number 51140BL is the main reference point. These details should still be checked against the original unit before ordering.

What brand is it?

The brand is Narva. For this listing, part number 51140BL is the main reference point. These details should still be checked against the original unit before ordering.

Is there a warranty listed?

Yes. The listed warranty is one year. For this listing, part number 51140BL is the main reference point. These details should still be checked against the original unit before ordering.

How should I confirm fitment?

Check the existing part number, the 40A rating, and the vehicle’s application details before ordering. If those do not match, it should not be assumed compatible. For this listing, part number 51140BL is the main reference point. These details should still be checked against the original unit before ordering.