Description
ATTWOOD SpringLift Gas Spring 36.3″ Extended, 21.1″ Compressed, Ball Mount, 80 lb – SL29-80-1
The Attwood SpringLift SL29-80-1 gas spring is a long-reach marine-grade lift support designed for smooth, controlled opening and closing of large boat hatches, engine covers, lids, storage compartments, doors, and access panels. With a 36.3″ extended length, 21.1″ compressed length, 15.2″ stroke, and 80 lb force rating, this gas spring is built for larger applications that require dependable lift assistance over a longer travel range.
- SpringLift marine gas spring for large hatches, engine covers, lids, and compartments
- 36.3″ extended length and 21.1″ compressed length for long-reach applications
- 80 lb force rating for strong, controlled lift support
- 13 mm ball socket end fittings for secure mounting
- 10 mm rod x 22 mm cylinder construction with 15.2″ stroke
Attwood SpringLift gas springs are popular replacement lift supports for marine and RV hardware applications where reliable performance, smooth operation, and corrosion resistance matter. This model is ideal when replacing an existing 36.3″ x 21.1″ gas spring with an 80 lb pressure rating and 13 mm socket mounting ends.
Built for Marine Environments
This SpringLift gas spring is designed for demanding boating conditions and is made for use in wet, humid, and saltwater environments. Attwood gas springs are built for dependable service in marine applications, making them a strong choice for frequently used hatches, covers, compartments, and access panels.
Ball Socket Mounting
The 13 mm ball socket end fittings are designed to attach to compatible ball-stud mounting brackets. Mounting brackets are sold separately, so existing hardware should be checked for compatibility before installation.
Specifications
| Manufacturer | Attwood |
| Model | SpringLift |
| Part Number | SL29-80-1 |
| Product Type | Marine Gas Spring / Lift Support |
| Extended Length | 36.3″ |
| Compressed Length | 21.1″ |
| Stroke / Travel Length | 15.2″ |
| Force Rating | 80 lb |
| Rod Diameter | 10 mm |
| Cylinder Diameter | 22 mm |
| End Fitting Style | 13 mm Ball Socket |
| Mounting Brackets | Sold separately |
Attwood SpringLift Replacement Gas Spring Selection Chart
Attwood has taken the guess-work out of selecting a replacement gas spring. Simply match up the existing spring to the dimensions and pressure ratings shown in the chart.
| Extended Length | Compressed Length | Stroke | Standard Pressure | End Fitting Type | Aftermarket Packaging Part Number |
|---|---|---|---|---|---|
| 8 x 18 – 8 mm Rod x 18 mm Cylinder | |||||
| 10.00″ | 7.00″ | 3.00″ | 20 lb | 10 mm Socket-Composite | SL30-20-5 |
| 10.00″ | 7.00″ | 3.00″ | 40 lb | 10 mm Socket-Composite | SL30-40-5 |
| 10.00″ | 7.00″ | 3.00″ | 60 lb | 10 mm Socket-Composite | SL30-60-5 |
| 5.25″ | 7.50″ | 2.25″ | 30 lb | 10 mm Socket-Composite | SL31-30-5 |
| 12.04″ | 8.46″ | 3.58″ | 40 lb | 10 mm Socket-Composite | SL35-40-5 |
| 12.04″ | 8.46″ | 3.58″ | 50 lb | 10 mm Socket-Composite | SL35-50-5 |
| 15.00″ | 9.50″ | 5.50″ | 20 lb | 10 mm Socket-Composite | SL33-20-5 |
| 15.00″ | 9.50″ | 5.50″ | 40 lb | 10 mm Socket-Composite | SL33-40-5 |
| 15.00″ | 9.50″ | 5.50″ | 60 lb | 10 mm Socket-Composite | SL33-60-5 |
| 17.20″ | 10.20″ | 7.00″ | 40 lb | 10 mm Socket-Composite | SL36-40-5 |
| 17.20″ | 10.20″ | 7.00″ | 90 lb | 10 mm Socket-Composite | SL36-90-5 |
| 20.00″ | 12.00″ | 8.00″ | 20 lb | 10 mm Socket-Composite | SL34-20-5 |
| 20.00″ | 12.00″ | 8.00″ | 30 lb | 10 mm Socket-Composite | SL34-30-5 |
| 20.00″ | 12.00″ | 8.00″ | 60 lb | 10 mm Socket-Composite | SL34-60-5 |
| 20.00″ | 12.00″ | 8.00″ | 80 lb | 10 mm Socket-Composite | SL34-80-5 |
| 20.00″ | 12.00″ | 8.00″ | 120 lb | 10 mm Socket-Composite | SL34-120-5 |
* Packaged in see-through hanging packages.
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