Parts for your 1991 Toyota Hilux surf-Gas struts

1991 Toyota Hilux Surf gas struts — what’s fitted and what’s not

Based on factory documentation and parts catalogues, gas struts are not a standard or relevant factory part on the 1991 Toyota Hilux Surf (N130). The Toyota Repair Manual for the 4Runner/Hilux Surf (N130, 1989–1995) and the Toyota Electronic Parts Catalogue for the same series specify a bonnet support stay (a simple prop rod) rather than gas struts for the bonnet, and list tailgate cables and a powered rear window mechanism for the back door. Haynes’ Toyota Pick-up & 4Runner manual (1979–1995) shows the same setup: no “back door stay” struts and no bonnet gas struts.

Why no gas struts? The Surf’s rear door is a drop-down tailgate with an electric glass that winds down into the tailgate. When opened, the tailgate is supported by steel cables at each side, not by struts. Gas struts are typically used on lift-up hatches, they’re unnecessary on a tailgate that lies flat and is carried by cables and hinges. Up front, Toyota chose a prop rod for the bonnet. At the time, this was the go-to solution on many 4x4s because it’s rugged, cheap, dead reliable, and not affected by dust, mud, or temperature swings the way gas-filled cylinders can be.

Owners may still see gas struts on a Surf if accessories are fitted. Common examples include:

• Aftermarket bonnet strut kits that replace the prop rod.
• Fibreglass canopies or auxiliary rear hatches (if fitted) that use small gas stays.
• Swing-out spare-tyre carriers or cargo doors on aftermarket bumpers that sometimes use struts.

If any accessory on a Surf uses gas struts, basic care helps them last: keep the chrome shafts clean, don’t grease the shafts, avoid levering or twisting them, and replace in pairs if one side weakens. Tell-tales for tired struts include sagging, slow action in cold weather, or visible oil mist around the seals.

For factory configuration, though, the 1991 Hilux Surf doesn’t need gas struts because of its tailgate-and-cable design and the robust bonnet prop. That setup suits the vehicle’s off-road brief: fewer moving parts, less to fail, and easy field service.

FAQs

Does a 1991 Toyota Hilux Surf have gas struts from factory?
No. Factory references (Toyota Repair Manual and EPC for the N130) show a bonnet prop rod and tailgate cables with a powered rear window, not gas struts.

Can bonnet gas struts be retrofitted to a 1991 Hilux Surf?
Yes, aftermarket bonnet strut kits exist and make one-handed opening easier. Choose kits designed for the N130, follow the supplied mounting instructions, and check clearances so the struts don’t foul the bonnet or guards.

Why doesn’t the tailgate use gas struts?
The Surf’s tailgate drops down horizontally and is supported by cables, while the glass is powered. Gas struts suit lift-up hatches, on a drop-down tailgate they add complexity without real benefit.