Sierra 18-5251 Tune Up Kit, Replaces OMC 173619, for Mallory 8 Cylinder Tall Cap Distributor, White

The Sierra 18-5251 Tune Up Kit is a distributor tune-up kit built for the Mallory 8 Cylinder Tall Cap distributor used in Chrysler inboard marine engines. It is finished in white and features machined components engineered to meet or exceed the fit and performance of the original equipment part it replaces. The kit is designed as a direct equivalent for owners servicing Mallory-equipped distributors who need a reliable, properly fitted replacement rather than a generic substitute.

Sierra manufactures this kit to be interchangeable with GLM, Evinrude/Johnson, and Mallory part numbers, making it a straightforward replacement option when the original distributor components are worn, cracked, or no longer firing consistently. Every Sierra part is backed by Sierra's customer satisfaction warranty, giving buyers confidence that the 18-5251 will perform to OEM standards once installed. This kit operates on a 12 Volt DC electrical system, consistent with standard inboard ignition setups.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-5251
• Category: Chrysler Inboard Tune Up Kit
• Fitment: Mallory 8 Cylinder Tall Cap Distributor
• Color: White
• Exterior Finish: Machined
• Voltage: 12 Volts (DC)
• Weight: 0.13 pounds
• Product Dimensions: 1.75 x 3 x 6 inches
• UPC: 030999256263

Fitment

• Mallory 8 Cylinder Tall Cap distributor

Replaces (OEM)

• GLM 72620
• Evinrude/Johnson 173619
• Mallory 9-29301
• OMC 173619

Frequently Asked Questions

What does the Sierra 18-5251 Tune Up Kit fit? The Sierra 18-5251 is built for the Mallory 8 Cylinder Tall Cap distributor found on Chrysler inboard marine engines.

Is the Sierra 18-5251 the same as OMC 173619? Yes, the 18-5251 is designed to be interchangeable with OMC 173619 as well as Evinrude/Johnson 173619.

What other part numbers cross-reference to 18-5251? 18-5251 is interchangeable with GLM 72620, Mallory 9-29301, and OMC/Evinrude-Johnson 173619.

How much does the 18-5251 Tune Up Kit weigh? This Sierra tune-up kit weighs 0.13 pounds.

What are the dimensions of the 18-5251 kit? The Sierra 18-5251 Tune Up Kit measures 1.75 x 3 x 6 inches.

What color is the Sierra 18-5251 Tune Up Kit? It is finished in white.

What voltage system is the 18-5251 designed for? The Sierra 18-5251 is rated for a 12 Volt DC ignition system, standard for Chrysler inboard applications.

Is the 18-5251 a genuine Sierra part or aftermarket? The 18-5251 is a genuine Sierra part, manufactured to meet or exceed the original equipment component it replaces and covered by Sierra's customer satisfaction warranty.

What is the finish on the 18-5251 components? The components in the Sierra 18-5251 kit have a machined exterior finish.