--- product_id: 808310525 title: "Auto Parts,Cylinder Head and Block Expansion Plug Kit 3914035 Strong Sealing Replacement For Cummins 4bt 6bt 12v 5.9L 1989‑1998" brand: "ymiko" price: "$176.69" currency: USD in_stock: true category: "Ymiko" url: https://www.desertcart.us/products/808310525-auto-parts-cylinder-head-and-block-expansion-plug-kit-3914035 store_origin: US region: United States of America --- # High-temp resistant alloy 27-piece precision kit Optimizes engine combustion Auto Parts,Cylinder Head and Block Expansion Plug Kit 3914035 Strong Sealing Replacement For Cummins 4bt 6bt 12v 5.9L 1989‑1998 **Brand:** ymiko **Price:** $176.69 **Availability:** ✅ In Stock ## Summary > ⚙️ Seal the deal with power and precision – don’t let your engine miss out! ## Quick Answers - **What is this?** Auto Parts,Cylinder Head and Block Expansion Plug Kit 3914035 Strong Sealing Replacement For Cummins 4bt 6bt 12v 5.9L 1989‑1998 by ymiko - **How much does it cost?** $176.69 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/808310525-auto-parts-cylinder-head-and-block-expansion-plug-kit-3914035) ## Best For - ymiko enthusiasts ## Why This Product - Trusted ymiko brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable Metal Alloy:** Crafted from high-strength, heat and wear-resistant materials built to last under extreme conditions - • **Precision Engine Fit:** Direct replacement for Cummins 4bt, 6bt, 12v 5.9L (1989-1998) ensuring seamless installation - • **Complete 27-Piece Kit:** All expansion plugs included to cover your entire cylinder head and block needs in one purchase - • **Enhanced Sealing Performance:** Improves cylinder combustion efficiency for peak engine power and reliability - • **Comprehensive OE Compatibility:** Replaces multiple OE part numbers (3812092, 3914035, 3900956, and more) for hassle-free matching ## Overview This Cylinder Head and Block Expansion Plug Kit is a robust, high-precision replacement designed specifically for Cummins 4bt, 6bt, 12v 5.9L engines from 1989 to 1998. Made from durable metal alloy with high temperature and wear resistance, it enhances cylinder sealing and combustion efficiency, ensuring your engine runs at optimal performance. The 27-piece kit covers multiple OE part numbers, making it a comprehensive and reliable upgrade for professional-grade engine maintenance. ## Description 1. Compatibility: Cylinder head and block expansion plug kit is replacement for Cummins 4bt, 6bt, 12v, 5.9L 1989‑1998, replacement for Dodge.2. OE Number: Engine cylinder expansion plug kit replace part number are 3812092, 3812090, 3914035, 3900956, 3900687, 3926047, 3900955, 3900958, 3902343, 3920706.3. Performance: This kit provides good sealing, improves cylinder combustion efficiency and allows the engine to work at optimum performance.4. Reliable Material: High strength metal alloy material, high temperature resistance, wear resistance, sturdy and durable.5. Ideal Replacement: High precision and perfect fit to meet your needs, allowing you to directly replace the original damaged one.Specification:Item Type: Cylinder Head and Block Expansion Plug KitMaterial: Metal alloyOE: 3812092, 3812090, 3914035, 3900956, 3900687, 3926047, 3900955, 3900958, 3902343, 3920706Function: Replace the old and damaged one, improve the sealing of the cylinder, improve the combustion efficiency, ensure the normal operation of the engine.Application:Replacement for DodgeReplacement for Cummins 4bt, 6bt, 12v, 5.9L 1989‑1998PackageList:1 xCylinder Head and Block Expansion Plug Kit(27PCS)Note:1.Please double check the part number of your item, matching information is for reference only.2.If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks! ## Features - Performance:Engine Cylinder Expansion Plug Kit,This kit provides good sealing, improves cylinder combustion efficiency and allows the engine to work at optimum performance. According to original standard, you can directly replace the old or broken one. - Reliable Material: High strength metal alloy material, high temperature resistance, wear resistance, sturdy and durable. - Scope of Application : The cylinder head and block expansion plug kit is for Cummins 4bt, 6bt, 12v, 5.9L 1989‑1998, for . More detailed information is in the product description sectionOE NUMBER: Engine Cylinder Expansion Plug Kit replace part number are 3812092, 3812090, 3914035, 3900956, 3900687, 3926047, 3900955, 3900958, 3902343, 3920706. Please double check the part number of your item, matching information is for reference only. - OE Number: Engine cylinder expansion plug kit replace part number are 3812092, 3812090, 3914035, 3900956, 3900687, 3926047, 3900955, 3900958, 3902343, 3920706. - OE NUMBER: Engine Cylinder Expansion Plug Kit replace part number are 3812092, 3812090, 3914035, 3900956, 3900687, 3926047, 3900955, 3900958, 3902343, 3920706. Please double check the part number of your item, matching information is for reference only. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Ymiko | | Brand | Ymiko | | Model | Ymiko9v38u1dynf | | Item Weight | 13.8 ounces | | Package Dimensions | 5.04 x 4.88 x 1.34 inches | | Item model number | Ymiko9v38u1dynf | | Manufacturer Part Number | Ymiko9v38u1dynf | ## Images ![Auto Parts,Cylinder Head and Block Expansion Plug Kit 3914035 Strong Sealing Replacement For Cummins 4bt 6bt 12v 5.9L 1989‑1998 - Image 1](https://m.media-amazon.com/images/I/51nqWFjDb9L.jpg) --- ## 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/808310525-auto-parts-cylinder-head-and-block-expansion-plug-kit-3914035](https://www.desertcart.us/products/808310525-auto-parts-cylinder-head-and-block-expansion-plug-kit-3914035) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-10-14*