--- product_id: 344072268 title: "Briggs Stratton Piston Rings 16-18HP Intek OHV - 594437 90.5mm" price: "$93.02" currency: USD in_stock: true url: https://www.desertcart.us/products/344072268-briggs-stratton-piston-rings-16-18hp-intek-ohv-594437-90 store_origin: US region: United States of America --- # Restores 16-18HP engine power OEM-quality ring-only rebuild Precision 90.5mm bore fit Briggs Stratton Piston Rings 16-18HP Intek OHV - 594437 90.5mm **Price:** $93.02 **Availability:** ✅ In Stock ## Summary > ⚡ Power up your Intek engine with precision rings that mean business! ## Quick Answers - **What is this?** Briggs Stratton Piston Rings 16-18HP Intek OHV - 594437 90.5mm - **How much does it cost?** $93.02 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/344072268-briggs-stratton-piston-rings-16-18hp-intek-ohv-594437-90) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **OEM-Grade Quality:** Manufactured to Briggs OEM part number 594437 standards by Lil Red Barn, guaranteeing durability and reliability trusted by professionals since 2014. - • **Power Restoration Kit:** Revive your engine’s original 16-18 horsepower output by replacing worn piston rings without the need for a full rebuild—save time and money while boosting efficiency. - • **Backed by Expert Support:** Lil Red Barn’s U.S.-based customer service ensures responsive assistance, making your engine maintenance hassle-free and confidence-inspiring. - • **Engineered for Exact Fit:** Specifically designed for Briggs & Stratton 31-series Intek single-cylinder OHV engines with a precise 90.5mm bore, ensuring seamless compatibility and peak performance. - • **Selective Rebuild Flexibility:** Ring-only kit ideal for users with serviceable gaskets, offering a tailored repair solution that avoids unnecessary part replacements and downtime. ## Overview The Briggs Stratton Piston Rings 16-18HP Intek OHV (OEM 594437) is a high-quality ring-only rebuild kit designed for 31-series single-cylinder OHV engines with a 90.5mm bore. Perfect for restoring compression and engine power in 16-18HP models, this kit includes top and second compression rings plus a 3-piece oil control ring set. Manufactured by Lil Red Barn to OEM specs, it offers a cost-effective, precise fit solution for professional-grade engine maintenance without replacing gaskets or pistons. ## Description Lil Red Barn Piston Ring Set for Briggs & Stratton 16HP, 17HP, 17.5HP, and 18HP Intek Single-Cylinder OHV Engines A piston ring set for Briggs & Stratton's 31-series Intek single-cylinder OHV engines. Restores compression on engines with worn rings where the pistons and gaskets are still serviceable. WHAT'S INCLUDED Piston ring set (Briggs OEM 594437) Top compression ring Second compression ring 3-piece oil control ring set WHAT'S NOT INCLUDED Gaskets or seals Pistons Connecting rods Valves or wrist pins This is a ring-only kit for buyers where existing gaskets are still in good condition. If you need gaskets in addition to rings, see our 16-18HP Intek complete rebuild kit. CRITICAL: 16HP-18HP MODELS ONLY This kit fits 16HP, 17HP, 17.5HP, and 18HP Briggs Intek single-cylinder engines with 90.5mm bore. It does NOT fit: 19HP, 20HP, or 21HP Briggs engines (different bore, different ring set) 22HP or larger Briggs engines (different parts) Briggs V-Twin engines 725EX or 725EXi walk-behind mower engines (163cc, different bore) Verify your engine before ordering by checking the model number stamped on the engine cover or blower housing. COMPATIBLE BRIGGS ENGINE MODELS 31-series Intek single-cylinder OHV models, including: 319775, 31A507, 31A607, 31A677, 31A707, 31A777, 31A807, 31C707, 31C777, 31D577, 31E577, 31E607, 31E677, 31E707, 31E777, 31E877, 31G707, 31G777, 31L777, 31N607, 31N677, 31N707, 31N777, 31P607, 31P677, 31P707, 31P777, 31Q505, 31Q607, 31Q677, 31Q777, 31R507, 31R577, 31R607, 31R677, 31R707, 31R777, 31R807, 31R877, 31R975, 31R976, 31R977, 31S777, 31S977, 31U977 Short block models: 592054, 592059, 592060 If your model number begins with 31 and matches one of the prefixes above, this ring set fits your engine. ENGINE SPECIFICATIONS Engine type: 4-cycle, gasoline, OHV Configuration: Single-cylinder Bore: 90.5mm Rated power: 16-18 HP depending on model CROSS-REFERENCES BRIGGS OEM PART NUMBER Ring set: 594437 EQUIPMENT APPLICATIONS These Briggs & Stratton Intek single-cylinder engines power a wide range of outdoor power equipment, including riding lawn tractors, garden tractors, zero-turn mowers, generators, pressure washers, and similar equipment. INSTALLATION NOTES Use a piston ring compressor when installing new rings to avoid ring damage. Verify piston ring groove condition before installing new rings — worn ring grooves may require piston replacement rather than ring-only service. ## Features - PISTON RING SET FOR BRIGGS & STRATTON INTEK SINGLE-CYLINDER OHV ENGINES — Includes piston rings (Briggs OEM 594437) for 16-18 HP Intek single-cylinder OHV engines with 90.5mm bore. This is a RING-ONLY kit for buyers re-ringing existing pistons. Note: gaskets, pistons, connecting rods, and valves are NOT included in this kit. - FITS 16HP, 17HP, 17.5HP, AND 18HP BRIGGS INTEK ENGINES — 90.5mm BORE — Compatible with Briggs & Stratton 31-series Intek single-cylinder OHV engines. Verify your engine model, type, and code before ordering. NOTE: This ring set does NOT fit 19HP or larger Briggs engines (different bore — see our 594437 alternative for 19-21HP), or 22HP+ engines (different parts). - NEED A COMPLETE REBUILD KIT? WE HAVE OPTIONS — This is our ring-only kit for buyers where existing gaskets are still serviceable. Lil Red Barn also offers a complete 16-18HP Intek rebuild kit (rings + gasket set 796187) for buyers doing a full top-end rebuild. Pick the tier that matches your rebuild scope. - MANUFACTURED BY LIL RED BARN — Selling quality small engine parts since 2014. Rings produced at our own facility to our specifications. We specialize in hard-to-find parts for engines that manufacturers have stopped supporting. Backed by responsive U.S.-based customer service. - CROSS-REFERENCES BRIGGS OEM PART NUMBER — Ring set replaces Briggs & Stratton part number 594437. If your Briggs service manual, dealer, or parts diagram references this number, this ring set contains the components you need. ## Technical Specifications | Specification | Value | |---------------|-------| | Best Sellers Rank | #153,332 in Automotive ( See Top 100 in Automotive ) #11 in Powersports Piston Rings | | Customer Reviews | 4.3 out of 5 stars 22 Reviews | ## Images ![Briggs Stratton Piston Rings 16-18HP Intek OHV - 594437 90.5mm - Image 1](https://m.media-amazon.com/images/I/61+55HiFRDL.jpg) ![Briggs Stratton Piston Rings 16-18HP Intek OHV - 594437 90.5mm - Image 2](https://m.media-amazon.com/images/I/61kQ6dW7rhL.jpg) ![Briggs Stratton Piston Rings 16-18HP Intek OHV - 594437 90.5mm - Image 3](https://m.media-amazon.com/images/I/610bCUm4j0L.jpg) ![Briggs Stratton Piston Rings 16-18HP Intek OHV - 594437 90.5mm - Image 4](https://m.media-amazon.com/images/I/61TDUBegKNL.jpg) ![Briggs Stratton Piston Rings 16-18HP Intek OHV - 594437 90.5mm - Image 5](https://m.media-amazon.com/images/I/61judKT0WNL.jpg) ## Frequently Bought Together - Lil Red Barn 594437 Piston Rings Compatible with Briggs and Stratton Single Cylinder Overhead Valve Engines, OHV, Bore Size 90.5mm - Vkinman Engine Gasket Kit Replacement for BS lawnmover 796187, Replace 697191 792621 794150 796187 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/344072268-briggs-stratton-piston-rings-16-18hp-intek-ohv-594437-90](https://www.desertcart.us/products/344072268-briggs-stratton-piston-rings-16-18hp-intek-ohv-594437-90) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-17*