GUARD YOUR CAR WITH ProGuard

Unparalleled Protection for Your Vehicle.

Experience peace of mind at Keystone Used Auto Sales with our exclusive ProGuard CPO 1 Warranty. Safeguarding vital components like the transmission, engine, and differential, this comprehensive coverage plan provides extended-term powertrain protection against unexpected breakdowns and costly repairs. Drive with confidence, knowing you’re covered. Test drive select vehicles with ProGuard CPO 1 Warranty in Brodheadsville today

What's Covered?

ABS Brakes: Accumulator, Electronic control processor, Hydraulic pump, Isolation dump valve, Motor assembly, Pressure modulator valve, Wheel speed sensors 

Advanced Electrical: Ambient temperature sensor, Convertible top motor, Door lock actuators and switches, Electronic ignition module, Electric water pump, Liftgate motor and actuator, MAP sensor, Mass Air Flow sensor, Oxygen sensors, Power mirror motors, and switches, Power sliding door motors, Power window motors, switches and regulators, Seat motors and switches, Sunroof motor, TPMS sensors 

Advanced EV/Hybrid: DC/DC converter, Extended range drive transmitter, EV/HV electric brake servo, High voltage A/C compressor, Onboard battery charger, Propulsion battery, Thermal cooling system 

Air Conditioning: Accumulator, Clutch, Compressor, Compressor clutch bearing, Dryer/receiver, Evaporator, Expansion valve, Front and Rear condenser, Orifice tube, Plenums and air ducts, POA valve, Evacuation and Recharge (only in conjunction with a covered repair) 

Brakes: Booster and Valve, Calipers, Hydro booster, Master cylinder, Power vacuum assist, Steel brake lines and hoses, Wheel cylinders Booster and Valve, Calipers, Hydro booster, Master cylinder, Power vacuum assist, Steel brake lines and hoses, Wheel cylinders 

Differential and Drive Axle: All internally lubricated parts, Bearings, Center support bearing, CV joints, Differential housing, Drive shafts, Ring and pinion gears, Spider and side gears, Universal joints 

Electrical System: Alternator, Front and Rear wiper, motor assembly, Rear window defroster switch, Starter motor and drive assembly 

Fluids and Filters: Any fluids and filters required due to a covered component failure. 

Steering: Gear box, Power steering pump, Rack and pinion, Tie rod ends, Upper and lower control arms, shafts and bushings 

Cooling System: Electric radiator fan motor, Fan and clutch, Heater core, Mechanical water pump, Radiator, Thermostat 

Suspension: Air suspension compressor, Leaf and coil springs (only if broken), Pitman arms, Spindles, Upper and lower ball joints and wheel bearings  

Fuel System: Fittings, Fuel lines, Fuel pump module, Primary fuel pump  

Diagnostics: First hour is covered 

Differential and Drive Axle: All internally lubricated parts, Bearings, Center support bearing, CV joints, Differential housing, Drive shafts, Ring and pinion gears, Spider and side gears, Universal joints 

Engine: Gas/Diesel – All internally lubricated parts including, Exhaust manifold, Flywheel and Flexplate, Timing chain and gears, Timing belt, Engine block (covered with the failure of an internally lubricated part) 

EV/Hybrid: Electric traction motor, Electronic transmission/E-CVT transaxle, Power electronic controller (electronic motor) 

Fluids and Filters: Any fluids and filters required due to a covered component failure. 

Four and AWD: All internally lubricated parts of the transfer case including, Bearings, Bushings, Chains, Gears, Sleeves, Sprockets 

Seals and Gaskets: Cylinder heads, Intake manifold (all others are covered in conjunction with a covered component repair). 

Transmission: Automatic/Manual – All internally lubricated parts, including, Electronic switches and solenoids. 

Turbo/Supercharger: (OEM only) All internally lubricated parts, Bearings and housing, Shafts, Vanes, Wastegate. 

Labor on all covered repairs 

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Jason Giuliani
2023-06-12
Easy to work with, very friendly, and ask for Mark, great guy from start to finish.
bill myre
2023-04-08
Great work. Fast service.
Stephen Long
2023-02-17
Great people and great service department
Donald Stephens
2023-02-14
Lynn at Keystone Auto Sales went above and beyond to find me the perfect vehicle. I had a list of requests for a vehicle, along with a budget. I was also looking for a make and model that is hard to find in this used car market. Lynn found a vehicle that met all the requests and under budget, and I drove the car away not more than 2 weeks after Lynn started searching. First class customer service, attention to detail, and quality product. Can’t recommend Keystone enough for your vehicle needs.
John Thompson
2023-02-07
As a buyer I could not have been happier with the way my wife and I were treated. If my wife and I ever need another vehicle, we already know where were going. The salesman we had was not the kind to get you hurried up to get to the bottom line, we asked questions, and he had the answer. I have been to many car dealers all over America and Germany while in the Military. I hope you decide to stop in and give them a shot at selling you a vehicle. I WAS NOT PAID FOR THIS!
Elaine Hammack
2023-02-06
I've bought 2 vehicles from here through the years. Sales staff & service department are always extremely helpful & friendly.
Kristi Thomas
2023-01-22
We weren't planning to buy a car but Lynn came out and once we told her we were looking for a low priced first car for our son who was turning 16, she said she had the perfect car and she was right!! Her and Edward even stayed after hours so we would be able to bring it home that night for his 16th birthday the next day. Car runs great, drove it around for a few days now with only a minor hiccup with the door locks that they made good on right away. Will be a great first car for our son. So glad we stopped. Would definitely refer them.
Bob Matthews
2023-01-09
Had nothing but good experiences with the former owner, and a great experience with the new owners and their staff. The service department is highly experienced and excellent. Great selection of pick-up trucks and newer pre-owned vehicles. Solid dealership !!