Heavy Duty Gas Lift Cylinder — Herman Miller & Universal | Class 4

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  • $43.00
  • Regular price $45.00
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🚚 Free delivery — as with all Newstar products.

Replace a sinking, stuck, or failed gas lift cylinder with this heavy-duty Class 4 replacement. Rated for 350 lbs (159 kg). Compatible with Herman Miller, Steelcase, Haworth, and most office chairs. Two sizes available. Optional installation tools. SHS-branded — the OEM supplier to world-renowned brands. Brand new.

Key Features

Class 4 Heavy-Duty — 350 lbs

The highest standard rating for office chair gas lifts. Reinforced internal piston and precision-machined housing for smooth, reliable height adjustment that lasts. Exceeds ANSI/BIFMA standards.

Universal Fit — Herman Miller & More

Standard 17-4 taper fits virtually all office chairs — Herman Miller (all models), Steelcase (all models), Haworth, and generic brands. Two sizes: 2.5mm (most chairs) and 4mm (heavy-duty). DM us with a photo of your chair for size confirmation.

SHS Brand — World-Leading OEM

SHS is a world-leading gas lift manufacturer with 8 international certifications (BIFMA, LGA, TUV, SGS). Long-term OEM supplier to Herman Miller, Allsteel, Steelcase, and Haworth.

Optional Installation Tools

Available with or without a pipe wrench and rubber mallet for DIY replacement.

Technical Specifications

  • Class: Class 4 — 350 lbs / 159 kg Capacity
  • Stroke: 4" (100mm) seat travel
  • Diameter: 28mm gas spring
  • Height: 270mm compressed | 350mm extended
  • Taper: Industry standard 17-4
  • Sizes: 2.5mm | 4mm housing
  • Certifications: BIFMA | LGA | TUV | SGS
  • Compatibility: Herman Miller | Steelcase | Haworth | Most Chairs
  • Condition: Brand New
  • Delivery: Free Delivery in Singapore

Free delivery for orders over $300. Visit our showroom: 3 Ang Mo Kio Street 62, Link@AMK #02-12, Singapore 569139.