Mercury – Distributor Cap Kit | Ignition System Component | PBT/PET Composite & Brass Inserts | 898253T28

Overview

When you turn the key on a MerCruiser 4.3L MPI, you expect that clean, confident spark that brings the engine to life fast, smooth, and steady. But as every boater knows, ignition components age quietly. You may not notice the slow decline until the idle gets a little rough or the engine hesitates under load. The Quicksilver 898253T28 Distributor Cap Kit restores that crisp ignition feel your boat had when it was new. It’s the kind of maintenance part that gives you peace of mind on the water, whether you’re easing out for a sunset cruise or pushing toward your favorite cove with family onboard.

Key Features

• Fits MerCruiser 4.3L Multi-Point Electronic Fuel Injection (MPI) engines
• Includes distributor cap and matching components for proper replacement
• Made from a durable PBT/PET composite blend to resist heat and warpage
• Solid brass inserts provide dependable conductivity and long service life
• Designed to reduce radio frequency interference with onboard electronics
• Built to Mercury Marine OEM specifications for exact fit and performance

Engine & Boat Compatibility

• Compatible with MerCruiser 4.3L MPI sterndrive and inboard engines
• Common on:
  • Bowriders and runabouts
  • Family cruisers
  • Watersports boats
  • Smaller cabin cruisers
  • General-purpose recreational boats
• Works with ignition systems requiring the OEM kit part number 898253T28

Performance & Practical Benefits

A distributor cap may not be the flashiest part in your engine bay, but when it’s fresh, the difference is unmistakable. This Quicksilver cap kit is built from a combination of PBT and PET plastics materials chosen specifically for their resistance to heat, vibration, and engine-bay humidity. That means no warping, no softening, and no hairline cracks that can cause misfires or weak spark delivery over time.

Inside, the solid brass terminals offer excellent conductivity and hold up far better than cheaper alloys. They resist corrosion, electrical pitting, and moisture all common culprits of inconsistent spark. When paired with a properly maintained rotor and ignition system, the kit helps your engine fire cleanly and stay balanced across all cylinders.

Another real-world benefit boaters appreciate is the reduced interference with electronics. Depth finders, radios, charts, and sonar can all be affected by poor ignition shielding. This OEM cap kit helps keep those signals clean, letting your equipment perform the way it should.

Replacing an aging distributor cap often results in immediate improvements: quicker starts, smoother acceleration, quieter idle, and more consistent tone at cruising speeds. It’s a small job with a noticeable impact on how the boat feels under your hands.

Why Buy OEM

Ignition timing and spark delivery demand precision. Aftermarket caps can look similar, but the materials, molding accuracy, and internal spacing rarely match Mercury’s requirements. An OEM kit like the Quicksilver 898253T28 ensures proper fit, proper firing order alignment, and long-term durability in the marine environment. Experienced boaters trust OEM because it works right the first time and keeps the engine performing at its best — without the guesswork.

FAQ

Q1: Which engines does this distributor cap kit fit?

It fits MerCruiser 4.3L MPI engines. Always confirm with your owner’s manual.

Q2: What makes this different from aftermarket versions?

Higher-grade composite material, brass inserts, and OEM-level interference control provide better reliability and spark consistency.

Q3: How do I know this is the correct replacement?

Match your ignition system and engine model to part number 898253T28.

Q4: Can this be used in saltwater applications?

Yes — the materials resist corrosion, moisture, and thermal stress.

Q5: Is installation straightforward?

Most owners with basic tools can handle the job by following standard MPI ignition replacement steps.