Sierra 18-5353 Distributor Cap, Replaces Mercury Marine 392-9086T, Fits 1984-88 6-Cylinder 3.8L Engines

The Sierra 18-5353 Distributor Cap is a machined metal replacement distributor cap engineered for marine engines using the IBM-7014A distributor, found on 1984-88 6-cylinder 3.8L engine applications. It is built to meet or exceed the performance of the original equipment part it replaces, delivering reliable ignition spark distribution for consistent engine starting and running performance.

Constructed from metal with a machined exterior finish and a twist-on closure, this distributor cap is designed for a secure, positive fit that resists vibration loosening during operation. Each unit ships as a single cap, ready to install in place of a worn, cracked, or corroded original cap as part of a routine ignition tune-up.

This cap is cross-referenced to a wide range of OEM and aftermarket part numbers, making it a straightforward replacement whether your engine is identified by a Crusader, Evinrude/Johnson/OMC, Mallory, Mercury Marine, or Volvo Penta part number. As a Sierra part, it is backed by Sierra's standard customer satisfaction warranty.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-5353
• Material: Metal
• Color: White
• Exterior Finish: Machined
• Item Dimensions: 5.5 x 5 x 3.5 inches
• Closure Type: Twist-On
• Weight: 0.51 pounds
• Distributor Number: IBM-7014A
• Engine Fitment: 6 Cylinder 3.8L Engine (1984-88)

Fitment

• 1984-88, 6 Cylinder, 3.8L Engine, Distributor No. IBM-7014A

Replaces (OEM)

• Crusader 41069
• GLM 71600
• Evinrude/Johnson/OMC 982879
• Evinrude/Johnson/OMC 9843398
• Evinrude/Johnson/OMC 3853814
• Evinrude/Johnson/OMC 984398
• Mallory 9-29426
• Mercruiser 392-9086T
• Mercruiser 392-9086
• Mercruiser 804417
• Volvo Penta 841926
• Volvo Penta 841926-9

Frequently Asked Questions

What engines does the Sierra 18-5353 distributor cap fit? The Sierra 18-5353 fits 1984-88 6-cylinder 3.8L marine engines that use the IBM-7014A distributor.

Is the 18-5353 a genuine Sierra part or aftermarket? It is a genuine Sierra International part, manufactured to meet or exceed the performance of the original equipment cap it replaces.

What OEM part numbers does the 18-5353 replace? It cross-references to Crusader 41069, GLM 71600, Evinrude/Johnson/OMC 982879, 9843398, 3853814, and 984398, Mallory 9-29426, Mercruiser 392-9086T, 392-9086, and 804417, and Volvo Penta 841926 and 841926-9.

What material is the distributor cap made of? The Sierra 18-5353 is made of metal with a machined exterior finish.

What are the dimensions of the 18-5353 distributor cap? It measures 5.5 x 5 x 3.5 inches.

How much does the 18-5353 distributor cap weigh? The 18-5353 weighs 0.51 pounds.

How does the cap attach to the distributor? It uses a twist-on closure for a secure, vibration-resistant fit on the distributor body.

What color is the Sierra 18-5353 distributor cap? The cap is white in color.

Does the 18-5353 come with a warranty? Yes, as a Sierra part the 18-5353 distributor cap is covered under Sierra's customer satisfaction warranty.

What is included when I order the 18-5353? One Sierra 18-5353 distributor cap ships per order.

Which distributor number is this cap designed for? The 18-5353 is matched to distributor number IBM-7014A, used on 1984-88 6-cylinder 3.8L engines.

Will this cap fit a Mercruiser 3.8L application? Yes, the 18-5353 cross-references to Mercruiser part numbers 392-9086T, 392-9086, and 804417 for compatible 3.8L 6-cylinder engines.