Dukuge Gas Struts Replacement 27-inch 45 lb (Pair) — Undercover tonneau cover & truck bed lid, smooth controlled lift

This pair of gas struts replaces ST270EDI-45 and several related OEM numbers to restore reliable opening, secure support, and gentle closing on pickup bed covers and similar lids. Each kit includes two 27" struts rated at approximately 45 lb (200 N) and the ball-stud mounting hardware you need for quick swap-out installation.

Will this strut fit my Undercover or OEM part number?

The Dukuge ST270EDI-45 is built as a direct-match replacement for multiple listings and common OEM references. Measure your current strut end-to-end and compare part numbers to be sure it’s the correct match.

• Compatible part numbers: 190725, ST270P45EZ10, ST270ED145, ST270EDI-45, ST270ED1-45, RSIH1212GS, IH1214GS
• Extension length (hole-to-hole): 26.97 in; compression length: 15.17 in
• Ball socket inner diameter: 10 mm; thread diameter: 8 mm
• Force rating: ~45 lb (200 N), suited for lids 36–50 lb

How easy is installation and what tools are required?

Installation is intentionally quick and simple—many users complete the swap in minutes with basic tools. The kit ships with all ball studs and nuts, and the guidebook walks through each step.

• Typical tools: flathead screwdriver or small pry tool and a wrench for nuts
• Procedure: pop off old ball-socket ends, align new studs, snap on new struts
• Estimated time: about 3 minutes per side for experienced installers
• Included: 2 gas struts, 4 ball studs, 4 nuts, and a concise guidebook

What performance and durability can I expect from these gas springs?

These replacement struts deliver steady, controlled lift and reliable holding power for routine use on covers and lids. They are engineered to resist wear and maintain pressure for everyday door and cover applications.

• Smooth extension and retraction for safe, gradual closing
• Strong support throughout the open travel to prevent slamming
• Corrosion-resistant finish suitable for truck bed environments
• Backed by an 18-month replacement support policy

What should I check before purchasing to avoid fitment issues?

Confirming a few measurements and part identifiers prevents returns and ensures proper operation. If your lid is heavier or lighter than the stated range, consider a different force rating.

• Verify hole-to-hole lengths: extended 26.97" and compressed 15.17"
• Confirm your lid weight is within ~36–50 lb for ideal balance
• Check ball socket diameter (10 mm) and thread size (8 mm)
• Compare your OEM part number to the compatible list above

Who this is for: The Dukuge ST270EDI-45 kit is intended for truck owners, mechanics, and DIYers who need a dependable, like-for-like replacement for Undercover and similar tonneau or bed cover struts. Choose this set if you want ready-to-install hardware, consistent 45 lb lift force, and a compact warranty for everyday use on pickup covers, engine access panels, or other medium-weight lids.