Which Cushioned Gen-Y Fifth Wheel Pin Box Fits 2021 Keystone Avalanche 338GK
Updated 07/21/2025 | Published 07/19/2025 >
Question:
I have a 2021 Keystone Avalanche 338GK w Lippert Road Warrior 18,000 GVW Part no, 420591 w lippert box 773910 s/n S005406963 Looking at the Gen Y King pin Box for this unit ?
asked by: Gary F
0
Expert Reply:
Hey Gary, from previous customers we have determined that your 2021 Keystone Avalanche 338GK comes with a Lippert 1716 pin box so for a Gen Y pin box the part # GY45SR would be what you'd want. What fifth wheel hitch do you have and how do you like it?
expert reply by:
Jameson C
0
Product Page this Question was Asked From
Gen-Y Hitch Shock Absorbing 5th Wheel Pin Box - Lippert 1116 and 1716 - 30,000 lbs - 4.5K TW
- 5th Wheel Pin Box
- Upgraded Pin Box
- Absorbs Road Shock and Reduces Chucking
- 30000 lbs
- Torsion Suspension
- Fixed Turret
- Lippert 1116
- Lippert 1716
- Gen-Y Hitch
more information >
Continue Researching
- Search Results: 5th wheel pin box
- Search Results: brake away cable
- Search Results: sumo spring
- Search Results: sumosprings
- Video: MORryde Tells Us Their Secret to a More Comfortable Tow
- Video: A Look at the MORryde Cushioned 5th Wheel Pin Box
- Shop: MORryde Cushioned 5th Wheel Pin Box for 14K to 18K Trailers w/ Lippert 1621 and 1621HD
- Shop: Suspension Enhancement
- Q&A: Replacing A MORryde Pin Box With A Gen-Y Hitch Shock Absorbing 5th Wheel Pin Box
- Shop: MORryde Cushioned 5th Wheel Pin Box for 14K to 18K Trailers w/ Lippert 1716
- Shop: MORryde Cushioned 5th Wheel Pin Box for Up to 11.5K Trailers w/ Lippert 1621 and 1621HD
- Shop: MORryde Cushioned 5th Wheel Pin Box for 11.5K to 14K Trailers w/ Lippert 1621 and 1621HD
- Video: The Low-Down on the Fastway Zip Coiled Trailer Breakaway Cable
- Video: Review of MORryde Fifth Wheel King Pin - Cushioned Lippert 1716 Pin Box Replacement - MR97VR
- Q&A: Is MORryde or Rota-Flex a Better 1621 Pin Box Replacement?
- Q&A: Will MORryde Cushioned 5th Wheel Pin Box for Lippert 1716 Change Trailer Nose Height
- Q&A: Comparison Between Trailair Flex Air and Gen-Y Executive Replacement Pin Boxes
- Q&A: Which Pin Box Is Better At Absorbing Chucking The Gen-Y Pin Box Or Curt Flex Air
- Shop: Fastway Zip Coiled Trailer Breakaway Cable - 6' Long
- Video: Review of the etrailer Replacement RV Dinette Tabletop
- Video: Inside the GEN-Y Shock Absorbing 5th Wheel Pin Box: A Manufacturer Breakdown
- Search Results: sumosprings trailer
- Q&A: Replacement Shear Spring Options for a MORryde Trailer Suspension System
- Q&A: Will the MORryde Cushioned 5th Wheel Pin Box Replace a Lippert 1621 Pin Box
- Shop: Replacement #75 Rubber Shear Spring for MORryde Trailer and RV Suspension Systems - Qty 1
- Shop: SumoSprings Trailer Helper Springs w/ Line Relocation Bracket - Single Axle - 5K to 8K - Overslung
- Video: Lippert 1716 5th Wheel Pin Box Spec Review
- Search Results: gen~y hitch 5th wheel hitch
- Search Results: gen~y hitch 5th wheel pin box


Gary F.
7/21/2025
I have an older 25k Husky hitch and never had any issues .