Description
Product Overview
The United Pacific Hood Hinge With Spring is engineered as a direct, heavy‑duty replacement for the original factory hinge found on the driver side of 1981‑87 Chevrolet and GMC trucks. Constructed from high‑grade alloy steel, the hinge offers exceptional tensile strength and resistance to bending, twisting, and fatigue even under the demanding loads of heavy‑duty hauling, off‑road excursions, and daily commuter use. Each unit arrives pre‑installed with a precision‑timed clock spring that automatically returns the hood to a fully closed position, eliminating the need for aftermarket tension adjustments and reducing wear on the latch mechanism. The mounting plates are machine‑riveted to the hinge body, providing a rigid, vibration‑free connection that maintains alignment over thousands of opening cycles. A durable black Electro‑Deposited Paint (EDP) coating protects the steel from corrosion, rust, and UV exposure, ensuring the hinge retains its appearance and structural integrity for years of service.
The component measures 16 × 5 × 5 inches, weighs approximately three pounds, and includes precision‑punched mounting holes that line up with the original bolt pattern on the vehicle chassis, allowing a bolt‑for‑bolt swap without the need for drilling or modification. In addition to the primary fitment, the hinge is cross‑compatible with 1981‑91 Chevrolet Blazer, GMC Jimmy, and 1987‑91 Chevrolet and GMC Suburban models, making it a versatile solution for a broad range of GM truck and SUV platforms. The product is cataloged under United Pacific part number 110993 and carries the UPC 710270062645 for easy inventory tracking. With a Best Sellers Rank of #67 in Spring Hinges, this hinge has earned a reputation for reliability among professional mechanics and DIY enthusiasts alike.
Usage
Designed for both professional service bays and home garages, the hinge is suited for a wide variety of usage scenarios. Whether you are restoring a vintage 1980s Chevrolet pickup, upgrading a work truck that sees daily payloads, or performing a routine maintenance on a family‑owned GMC SUV, the hinge delivers consistent performance. Installation requires only basic hand tools—a set of sockets, a torque wrench, and a screwdriver—making it accessible to seasoned technicians as well as hobbyist owners who prefer to work on their vehicles. The pre‑installed spring eliminates the guesswork of tension calibration, allowing the hood to close smoothly without slamming or binding.
Because the hinge is surface‑mounted, it does not interfere with existing body panels or require structural modifications, preserving the original aesthetic of the vehicle. The black EDP finish blends seamlessly with the factory paint, and the robust alloy steel construction tolerates exposure to road salt, mud, and extreme temperature fluctuations, which are common in rural, coastal, and mountainous environments. Regular inspection of the mounting bolts and occasional lubrication of the pivot points are all that is needed to keep the hinge operating at peak efficiency for the lifetime of the vehicle. The product’s compatibility with multiple GM models also means fleet operators can standardize on a single part number, simplifying parts inventory and reducing downtime across a mixed fleet of trucks and SUVs.
Why Choose Us
United Pacific has built its brand on a legacy of precision engineering, rigorous quality control, and a commitment to delivering components that meet or exceed original equipment manufacturer (OEM) specifications. Each hood hinge undergoes a multi‑stage manufacturing process that includes CNC punching, automated rivet placement, and a controlled EDP curing cycle to guarantee uniform thickness and corrosion resistance. The inclusion of a factory‑calibrated clock spring is a distinctive advantage that sets this hinge apart from generic aftermarket alternatives, which often require aftermarket springs or manual tensioning.
Our dedicated customer support team provides technical assistance throughout the purchase, installation, and post‑installation phases, ensuring that any questions about fitment, torque specifications, or maintenance are answered promptly. In addition, United Pacific offers a limited warranty that covers material defects and premature failure, giving owners confidence that their investment is protected. The hinge’s design incorporates original‑style strengthening ribs, a feature that reinforces the hinge body against flexing under load and contributes to a longer service life. By choosing this United Pacific product, you benefit from a part that is engineered for durability, backed by a reputable manufacturer, and supported by a network of service professionals who understand the unique demands of GM truck and SUV platforms.
Key Features
- Heavy‑duty alloy steel construction provides superior strength and long‑lasting durability.
- Pre‑installed clock spring ensures smooth, automatic hood closure without additional adjustment.
- Machine‑riveted mounting plates deliver a rigid, vibration‑free connection for reliable performance.
- Black EDP coating protects against rust, corrosion, and UV damage, keeping the hinge looking new.
- Comprehensive customer support and warranty give peace of mind and easy after‑sales service.
FAQ
What vehicles are compatible with this hinge?
The hinge fits the driver side of 1981‑87 Chevrolet and GMC trucks, as well as 1981‑91 Chevrolet Blazer, GMC Jimmy, and 1987‑91 Chevrolet and GMC Suburban models.
Do I need to purchase a spring separately?
No. The hinge comes with a factory‑calibrated clock spring pre‑installed, so you can install the part and have the hood operate correctly right away.
Can I install this hinge myself?
Yes. The hinge is designed for a bolt‑for‑bolt replacement using standard hand tools. The precision‑punched mounting holes align with the original bolt pattern, eliminating the need for drilling or custom fitting.
What maintenance is required after installation?
Periodically check the mounting bolts for proper torque and apply a light lubricant to the pivot points to maintain smooth operation. The black EDP coating reduces the frequency of corrosion‑related maintenance.
Is there a warranty on this product?
United Pacific provides a limited warranty covering material defects and premature failure, reflecting the company’s confidence in the hinge’s quality and durability.





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