84005207 / 793880 Camshaft Replacement Kit Review – Restore Power & Reliability to Your Briggs & Stratton Engine

If your Briggs & Stratton small engine has started losing power, making unusual noises, or refusing to start altogether, there’s a good chance the camshaft is at the heart of the problem. The 84005207 / 793880 Camshaft Replacement Kit is designed specifically to bring worn or damaged 4-cycle small engines back to life—without the cost of replacing the entire engine.

In this in-depth review, we’ll take a close look at what this camshaft replacement kit offers, how it performs in real-world repairs, who it’s best suited for, and whether it’s worth your hard-earned money. Whether you’re a seasoned mechanic or a hands-on DIY homeowner, this guide will help you decide if this kit is the right fit for your repair needs.

What Is the 84005207 / 793880 Camshaft Replacement Kit?

At its core, a camshaft controls the opening and closing of engine valves, ensuring proper air-fuel intake and exhaust timing. Over time, especially in high-use lawn equipment like riding mowers, pressure washers, or generators, camshafts can wear down or fail—leading to serious performance issues.

This replacement kit is designed to directly replace several OEM Briggs & Stratton camshaft part numbers, including 793880, 84005207, 793583, 792681, 791942, and 795102. What makes this kit particularly attractive is that it doesn’t stop at just the camshaft—you also get essential gaskets and seals needed for a proper, leak-free installation.

Key Features & Benefits Explained

1. Broad Compatibility Across B&S Engines

One of the standout strengths of this camshaft kit is its impressive compatibility. It fits a wide range of Briggs & Stratton 4-cycle engines, including popular models like 210702, 212702, 215702, 31R5, 31R7, 33R8, and many more. Horsepower ratings range from approximately 10.5 HP up to 19 HP, making this a versatile solution for many small-engine repairs.

2. Complete Repair Kit – Not Just a Camshaft

Unlike bare camshaft replacements, this kit includes:

• 1 × 793880 / 84005207 Camshaft
• 1 × 697110 Crankcase Gasket
• 1 × 795387 Oil Seal Ring
• 1 × 272475S Gasket
• 1 × Connecting Rods Kit

This all-in-one approach saves you time, money, and frustration—no last-minute trips to find missing gaskets or seals during installation.

3. Designed for Reliable Engine Timing

A worn camshaft can throw off valve timing, leading to hard starts, misfires, and reduced power. Replacing it with this precision-machined camshaft helps restore proper timing, improving combustion efficiency and overall engine performance.

4. High-Quality Construction

This camshaft replacement is built to closely match OEM specifications, ensuring proper fitment and durability. When installed correctly, users often report smoother operation, quieter running, and more consistent power output—especially noticeable in older engines that had begun to struggle.

5. 180-Day Money-Back Guarantee

Confidence matters when buying engine components. The included 180-day money-back guarantee adds peace of mind, especially if you’re tackling a repair for the first time or working on an unfamiliar engine model.

Real-World Performance: What You Can Expect

In practical use, this camshaft replacement kit shines as a cost-effective way to extend the life of your Briggs & Stratton engine. Many users report that engines which previously wouldn’t start—or ran inconsistently—are restored to near-original performance after installation.

It’s particularly popular among owners of riding lawn mowers and garden tractors, where camshaft wear is a known issue after years of service. With careful installation and proper torque settings, this kit can dramatically improve reliability and reduce oil leaks thanks to the included seals and gaskets.

Pros and Cons – An Honest Assessment

Who Is This Camshaft Replacement Kit Best For?

This product is an excellent choice for:

• DIY homeowners repairing lawn mowers or garden equipment
• Small engine mechanics looking for a reliable replacement part
• Anyone restoring older Briggs & Stratton 4-cycle engines
• Budget-conscious users who want to avoid buying a new engine

If you’re comfortable following service manuals and double-checking engine model numbers, this kit offers tremendous value for the price.

Final Verdict: Is It Worth Buying?

For under $25, the 84005207 / 793880 Camshaft Replacement Kit delivers impressive value. It’s thoughtfully packaged, widely compatible, and capable of bringing worn-out Briggs & Stratton engines back to reliable working condition.

As long as you confirm compatibility before purchasing and take your time during installation, this kit can save you hundreds of dollars compared to engine replacement or professional repair costs.