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No matter the condition of your 1981 K35/K3500, OPGI offers eleven Radiator related parts to boost performance and get your 1981 K35/K3500 back on the road. Choose from trusted brands like U.S. Radiator, Cold Case Radiators and Energy Suspension, with prices ranging from $21.30 to $1,131.99, all backed by our Price Match Guarantee. With OPGI’s 60-day return policy and thousands of verified reviews, you can shop confidently for your 1981 K35/K3500 restoration. Enjoy fast shipping directly to your home, or visit our Southern California Showroom & Warehouse to see our Radiator related parts in person.
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