--- product_id: 527029192 title: "1982-2013 700R4 4L60E 4L65E \"THE BEAST\" Heavy Duty Reaction Sun Gear Shell | HEAVY-DUTY SUN GEAR SHELL UPGRADE" price: "$166.00" currency: USD in_stock: true reviews_count: 8 url: https://www.desertcart.us/products/527029192-1982-2013-700r4-4l60e-4l65e-the-beast-heavy-duty-reaction store_origin: US region: United States of America --- # Heat-treated heavy-duty steel Updated durable nylon washer Thicker steel than factory shells 1982-2013 700R4 4L60E 4L65E "THE BEAST" Heavy Duty Reaction Sun Gear Shell | HEAVY-DUTY SUN GEAR SHELL UPGRADE **Price:** $166.00 **Availability:** ✅ In Stock ## Summary > ⚙️ Upgrade to THE BEAST: Built to dominate your transmission game! ## Quick Answers - **What is this?** 1982-2013 700R4 4L60E 4L65E "THE BEAST" Heavy Duty Reaction Sun Gear Shell | HEAVY-DUTY SUN GEAR SHELL UPGRADE - **How much does it cost?** $166.00 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/527029192-1982-2013-700r4-4l60e-4l65e-the-beast-heavy-duty-reaction) ## 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 - • **Precision Fit:** Compatible with all 1982-2013 GM 700R4 & 4L60E transmission models—no guesswork needed. - • **Performance Upgrade:** Includes a durable nylon washer to prevent common factory failures and keep you moving. - • **Unmatched Durability:** Heat-treated thick steel outlasts factory shells for ultimate reliability. - • **Pro-Grade Reliability:** Trusted by pros for rebuilds, upgrades, and high-performance applications—don’t settle for less. - • **Versatile Compatibility:** Works seamlessly with both washer-style and Torrington bearing units for flexible rebuilds. ## Overview The Beast Heavy Duty Reaction Sun Gear Shell is a premium heat-treated steel upgrade designed for GM 700R4 and 4L60E transmissions from 1982 to 2013. Engineered thicker than factory shells and equipped with a durable nylon washer, it prevents common failures and fits both washer-style and Torrington bearing units. Ideal for rebuilds and performance upgrades, this part ensures long-lasting reliability and smooth reverse engagement. ## Description “The Beast” Sun Gear Shell – Part #42298B The Beast sun gear shell is a heavy-duty upgrade for GM 700R4 and 4L60E 4-speed automatic transmissions. Part Number: 42298B Transmission Models: 700R4, 4L60, 4L60E, 4L65E, 4L70E, 4L75E Year Range: 1982-Up “The Beast” reaction sunshell by Pro-Select is one of the most popular upgrades for the GM overdrive 700R4 and 4L60E series transmission. This HD heat-treated unit is made from thicker steel than any factory unit, including the 4L65E-4L75E version. The drive shell comes with an updated durable nylon washer. “The Beast” sun gear drive shell will work in either earlier washer-style or later Torrington bearing transmissions. The factory sun shell is notoriously weak and will often break, leaving you with no reverse. Replacing the drive sun gear shell with this hardened high-performance unit is a proven upgrade during rebuild or repair. Review: Quality piece - Well made. Review: I recommend if you know what are you doing - The quality is better than original for sure . Price are good . It fit perfect ## Features - Features & Benefits - Heavy-duty heat-treated construction - Made from thicker steel than factory shells - Includes durable updated nylon washer - Helps prevent common factory shell failure - Works in both washer-style and Torrington bearing units - Ideal for rebuilds, upgrades, and performance applications - Compatible Transmission Series - Compatible with 700R4, 4L60, 700-R4, TH700-R4, MD8, THM700R4, THM700-R4, 4L60E, 4L60-E, 4L65E, 4L65-E, 4L70E, 4L70-E, 4L75E, 4L75-E, M30, M32, M70 - Fits All Production Years of This Transmission Family - Compatible with 1982 through 2013 model years of applicable transmissions. - Interchange #(s): A74624A, 42298B, NTP-51810B ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C31BJQK5 | | Best Sellers Rank | #49,957 in Automotive ( See Top 100 in Automotive ) #23 in Automotive Replacement Transmission Hard Parts | | Brand | WIT WHATEVER IT TAKES TRANSMISSION PARTS, INC | | Customer Reviews | 4.7 4.7 out of 5 stars (96) | | Date First Available | April 19, 2023 | | Exterior | Steel | | Item Weight | 3.85 pounds | | Item model number | 42298B | | Manufacturer | WIT WHATEVER IT TAKES TRANSMISSION PARTS, INC | | Manufacturer Part Number | 42298B | | Model | The Beast | | Package Dimensions | 7.4 x 7.36 x 5.75 inches | ## Images ![1982-2013 700R4 4L60E 4L65E "THE BEAST" Heavy Duty Reaction Sun Gear Shell | HEAVY-DUTY SUN GEAR SHELL UPGRADE - Image 1](https://m.media-amazon.com/images/I/61d1aAVg0WL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Quality piece *by A***R on April 29, 2026* Well made. ### ⭐⭐⭐⭐⭐ I recommend if you know what are you doing *by �***E on November 15, 2025* The quality is better than original for sure . Price are good . It fit perfect ### ⭐⭐⭐⭐⭐ Beast *by R***T on April 19, 2026* Good product ## Frequently Bought Together - "THE BEAST" 700R4 4L60E 4L65E Transmission Heavy Duty Reaction Sun Gear Shell - Bonbo Turbine & Stator Shaft Teflon Seal Installer/Resizer Transmission Tool J-36418-C & ST-1503 for GM 700-R4, 4L60, 4L60-E, 4L65E, 4L70E and 4L70L - 4L60E Transmission Super Master Rebuild Kit w/Steels & Pistons 2004-UP --- ## 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/527029192-1982-2013-700r4-4l60e-4l65e-the-beast-heavy-duty-reaction](https://www.desertcart.us/products/527029192-1982-2013-700r4-4l60e-4l65e-the-beast-heavy-duty-reaction) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-04*