If you’re upgrading an RV door or replacing a worn gas prop, this guide highlights five reliable options that deliver steady, controlled opening and closing. These gas struts are best for RV owners who want predictable lift, easier handling, and safer door operation in varying weather. The top picks vary by door weight and mounting needs, so choose according to your door’s weight class and the original prop’s length. Below, you’ll find a quick product comparison followed by detailed sections on each option and a practical buying guide.
| Product | Length | Lift (lbs) | Best For |
|---|---|---|---|
| RV Designer G21 Gas Prop | 20 inches | 10 | Light doors, fast replacements |
| GEAIN Camper Gas Prop (G21 replacement) | 20 inches | 10 | Standard RV doors, easy swap |
| GEAIN RV Door Gas Strut (G22) | 20 inches | 20 | Heavier doors, firmer hold |
| ARANA C1608054 | 20 inches | 100 | Heavier lids, long-lasting lift |
| GEAIN RV Door Gas Strut (G24) | 20 inches | 15 | Moderate-weight doors, smooth action |
RV Designer G21 Gas Prop Door Support

Best for lightweight RV entry doors, the RV Designer G21 provides a 20-inch extended length with a 10-pound force. This makes it a straightforward replacement when the original prop shares the same length and force. The kit is commonly used on RV entry doors and is suited for doors that don’t require a heavy lift. Choose this if you want a simple, cost-effective swap that preserves standard door motion and wind resistance without extra stiffness.
Who it’s for: RV owners with standard-entry doors and a lighter door weight. Why it’s selected: matches common length and force for easy compatibility. Limitation: not ideal for heavier doors or high-wind environments where more lift is beneficial.
GEAIN Camper Gas Prop Door Support (G21)

This GEAIN replacement pairs a 20-inch tube with a 10-pound lift for typical RV doors, targeting users who want a direct substitute for the G21 option. It’s suited for campers that need a dependable, moderate assist while opening a door that might be susceptible to wind. The key advantage here is straightforward compatibility with doors designed for the G21’s specs.
Who it’s for: travelers needing a reliable, standard-weight lift replacement. Why it’s selected: aligns closely with the common G21 dimensions. Caution: verify the exact door weight and mounting hardware to avoid mismatches.
GEAIN RV Door Gas Strut (G22) 20 Inch

Designed for heavier RV doors, the GEAIN G22 gas strut offers a 20-inch length with a 20-pound lift. This increased force helps hold doors open more securely and supports easier operation when wind or door weight would otherwise hinder movement. It’s a better choice for doors that feel stiff or require a firmer hold when opened.
Who it’s for: owners with heavier doors or drafts that push doors closed. Why it’s selected: higher lift improves stability. Limitation: greater force may feel stiffer when closing, so ensure smooth operation with your mounting.
ARANA C1608054 20″ Gas Prop

ARANA’s 20-inch gas strut is sold as a two-pack per set with a substantial 100-pound rating, targeting heavier lids or doors that demand robust support. It provides a high lift capacity suitable for larger or frequently opened compartments and storage doors on RVs. Note that this package does not include mounting brackets, so you’ll need the appropriate hardware if you’re replacing multiple units.
Who it’s for: owners with heavy doors or lids and a need for durable, long-lasting lift. Why it’s selected: very high force capacity helps prevent door slam or wind-induced closure. Caution: ensure you have suitable brackets or mounting hardware to fit your door configuration.
GEAIN RV Door Gas Strut (G24) 15 lb

For mid-weight RV doors, the GEAIN G24 offers a 15-pound lift, a balance between easy opening and secure closing. It is engineered to support up to 15 pounds, ensuring smooth operation without excessive resistance. This option suits doors that require a moderate lift with reliable wind resistance for everyday use.
Who it’s for: campers needing a balanced lift for standard doors. Why it’s selected: helps prevent door drift while keeping the action manageable. Limitation: not the best for very light doors where minimal lift is preferred.
Buying Guide: Key Purchase Considerations
- Door weight and lift: Match the lift rating to the door’s weight. Lighter doors work well with 10–15 lb props; heavier doors benefit from 20 lb or higher.
- Length and mounting: Ensure the prop length matches your door opening and that mounting brackets are compatible with your RV model.
- Single vs. dual props: Some doors benefit from a dual-prop setup for balanced lifting and wind resistance; others perform well with a single, properly rated strut.
- Material and durability: Look for corrosion-resistant finishes if you travel in humid or coastal areas; rugged designs suit frequent use.
- Installation considerations: Some products are sold as sets or require brackets; verify what’s included and what you’ll need to complete installation.
- Replacement compatibility: When replacing, try to identify the original length, force, and mounting type to reduce fit issues.
FAQ
- Q: How do I know the correct lift for my RV door? A: Check the door’s weight and the original gas strut rating, then choose a replacement with equal or slightly higher lift to ensure smooth operation.
- Q: Can I mix brands or only replace with the same model? A: You can generally replace with another brand if the length and lift match, but verify mounting hardware compatibility.
- Q: Do I need mounting brackets? A: Some struts include brackets; others do not. Confirm what’s included and purchase brackets if needed.
- Q: Will a higher lift strain the closing mechanism? A: Higher lift helps hold doors open but may require more force to close; ensure the closing action remains smooth.
- Q: Are these suitable for all RV types? A: They fit standard RV entry and compartment doors, but always verify length, weight, and mounting with your specific door.
- Q: How many struts are recommended per door? A: Light doors often work with a single strut; heavier doors or larger compartments may benefit from dual struts for balanced support.