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★★★★★ 4.9 · 80K+ Reviews
1989 GMC C-K Extended Cab Long Bed Truck Covers
Precision-engineered for the 1989 GMC C-K Extended Cab Long Bed. Guaranteed to fit, 100% waterproof, US-designed in California — ships in 24 hours.
Guaranteed
Extended Cab Long Bed Fit
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Other Body Styles & Years
More GMC C-K Covers
1989 C-K Extended Cab Long Bed with Camper Shell → 1989 C-K Extended Cab Short Bed → 1989 C-K Extended Cab Short Bed with Camper Shell → 1989 C-K Regular Cab Long Bed → 1989 C-K Regular Cab Long Bed with Camper Shell → 1989 C-K Regular Cab Short Bed → 1989 C-K Regular Cab Short Bed with Camper Shell → All 1989 C-K Bodies → 1988 C-K → 1987 C-K → 1986 C-K → All C-K Years → GMC 100 → All GMC Truck Covers → All Truck Covers →
Our Best Selling Truck Covers for Outdoor Use
Lifetime WarrantyBest OutdoorSaving 55% 
FLEECELININGTruck Covers - Ultimum Series for GMC C-K 1989 Extended Cab Long BedSpecial Price $199.99 Regular Price $439.99DingRainSnowUV Our Best Selling Truck Covers for Outdoor Use
Lifetime WarrantyOutdoor/IndoorSaving 5% FLEECELININGTruck Covers - Ultimum Lite Series for GMC C-K 1989 Extended Cab Long BedAs low as $179.99 Regular Price $189.99DingRainSnowUV - Lifetime WarrantyPopular ChoiceSaving 44% FLEECELININGTruck Covers - WeatherTec UHD Series for GMC C-K 1989 Extended Cab Long BedSpecial Price $189.99 Regular Price $339.99DingRainSnowUV
- 3 Years WarrantySaving 52% Truck Covers - WeatherTec HD Series for GMC C-K 1989 Extended Cab Long BedSpecial Price $139.99 Regular Price $289.99DingRainSnowUV
Compare Our 1989 GMC C-K Extended Cab Long Bed Truck Covers
Best Seller DaShield™ Ultimum Series | Quick Access Ultimum Lite | Popular Choice WeatherTec UHD | Best Value WeatherTec HD | |
|---|---|---|---|---|
| Material | 6-Layer Heavy Duty | 5 Layer - Polyester | 5-Layer Premium | 4-Layer Standard |
| Best For | Extreme Sun & Snow | All-Weather Shield | Daily Outdoor Use | Moderate Weather |
| Lining | Ultra-Soft Fleece | Breathable Fleece | Soft Fleece | Non-Abrasive |
| Durability | ★★★★★ | ★★★★☆ | ★★★★☆ | ★★★☆☆ |
| Warranty | Lifetime | Lifetime | Lifetime | 3 Years |
| Origin | US Designed | US Designed | US Designed | US Designed |
Professional Grade Protection for Your C-K Extended Cab Long Bed
Generic covers fail to account for the unique silhouette of a Extended Cab Long Bed. Our 1989 GMC C-K covers are precision-cut to follow the exact roofline and rear-deck dimensions of the Extended Cab Long Bed configuration. Whether you are shielding your vehicle from coastal salt air or intense desert heat, our custom patterns ensure no loose fabric and no wind-flap, providing a secure, glove-like fit.
Frequently Asked Questions for 1989 GMC C-K Extended Cab Long Bed
Will this cover fit my 1989 GMC C-K Extended Cab Long Bed perfectly?
What is the best material for a GMC stored outdoors in the sun, rain, or snow?
Will the cover accommodate the side mirrors and antenna on my 1989 C-K?
How long does it take to ship my custom C-K cover?
How do I secure the cover against theft and high winds?