1991 Duplex Car Parts

Search Over 19 Parts for Your 1991 Duplex

When it comes to finding the necessary parts for your 1991 Duplex you can count on Advance Auto Parts. All Duplex parts in our catalog are listed online, containing a variety of 1991 OEM and aftermarket products for your Duplex in almost every part category.

Below you’ll find a great selection of 1991 Duplex performance parts and accessories. We’ve listed the top categories of Duplex parts for your 1991 model like Batteries and Chargers, Transmission Parts and Engine Parts.

If you are looking for reviews on 1991 Duplex auto parts, look no further than our auto product reviews and ratings. We’re confident that you’ll find the best quality products for your 1991 Duplex at a great price.

1991 Duplex Batteries and Chargers

Below you can find the top 1991 Duplex aftermarket accessories. Want to see the complete catalog of Batteries and Chargers? Click on “View All” to view each individual Duplex 1991 part.

DieHard HD Battery – Farm and Truck Battery: 31S Group Size, 950 CCA, 1140 CA, 175 Minute Reserve Capacity, Heavy Duty (Part No.31S30)

Farm and Truck Battery: 31S Group Size, 950 CCA, 1140 CA, 175 Minute Reserve Capacity, Heavy Duty

from

$159.99
These batteries do the job for commercial trucks, heavy duty and agricultural applications.

Product Features:
  • Up to 2x the life of a standard flooded battery.
  • Patented stamped grid technology in both positive and negative grids, resulting in superior performance and longer life in high heat and demanding environments.
  • Superior vibration resistance
  • Certified NONSPILLABLE for safety and flexibility in mounting location.
  • The heavy duty internal connectors ensure a solid connection between plates and top lead, enabling better internal electric flow
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DieHard HD Battery – Battery: 31T Group Size, 1000 CCA, 1190 CA, 185 Minute Reserve Capacity, Heavy Duty (Part No.31HDS30)

Battery: 31T Group Size, 1000 CCA, 1190 CA, 185 Minute Reserve Capacity, Heavy Duty

from

$195.99
DieHard Heavy Duty batteries deliver the starting power your heavy-duty applications need. These batteries are designed for commercial trucks, heavy duty and agricultural applications.

Product Features:
  • Full frame stamped positive grid design provides increased corrosion resistance and superior cranking power
  • High density paste improves cycling capability
  • Polypropylene ribbed case and reinforced end-walls for extra durability
  • Anchor bonding locks elements in place to dramatically improve life with superior vibration resistance
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Optima – Battery: 31T Group Size, 900 CCA, 1125 CA, 155 Minute Reserve Capacity, Deep-Cycle (Part No.D31T-1125)

Battery: 31T Group Size, 900 CCA, 1125 CA, 155 Minute Reserve Capacity, Deep-Cycle

from

$401.99
The OPTIMA YELLOWTOP high-performance AGM battery is the ULTIMATE POWER SOURCE and one of the few true dual-purpose automotive batteries available. With premium cranking power and impressive cycling capability, this heavy-duty battery is ideal for trucks with winches, vehicles with high-demand electronics and audio systems, commercial vehicles and heavy equipment. Don’t want to bother with installing your new OPTIMA battery? Stop by your nearest Advance Auto Parts store and take advantage of our FREE battery testing and installation on most vehicles and at most locations. We offer free battery and electrical system testing and free recycling of your old automotive battery. Advance Auto Parts offers helpful advice about a variety of products, including car batteries. Be sure to check out the following:

Product Features:
  • SPIRALCELL TECHNOLOGY with 99.99% pure lead delivers more power and consistently outperforms conventional flat-plate batteries
  • Up to 3 times longer life vs. standard flooded batteries
  • 15x the vibration resistance of a standard flooded battery
  • Completely non-spillable, mountable in many positions
  • Maintenance free for maximum convenience
  • Faster recharging capabilities
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DieHard HD Battery – Battery: 31T Group Size, 825 CCA, 1000 CA, 200 Minute Reserve Capacity (Part No.NG31CS)

Battery: 31T Group Size, 825 CCA, 1000 CA, 200 Minute Reserve Capacity

from

$268.99
DieHard Heavy Duty batteries deliver the starting power your heavy-duty applications need. These batteries are designed for commercial trucks, heavy duty and agricultural applications.

Product Features:
  • Full frame stamped positive grid design provides increased corrosion resistance and superior cranking power
  • High density paste improves cycling capability
  • Polypropylene ribbed case and reinforced end-walls for extra durability
  • Anchor bonding locks elements in place to dramatically improve life with superior vibration resistance
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DieHard HD Battery – Battery: 31T Group Size, 750 CCA, 935 CA, 180 Minute Reserve Capacity, Heavy Duty (Part No.31XS-30)

Battery: 31T Group Size, 750 CCA, 935 CA, 180 Minute Reserve Capacity, Heavy Duty

from

$149.99
DieHard Heavy Duty batteries deliver the starting power your heavy-duty applications need. These batteries are designed for commercial trucks, heavy duty and agricultural applications.

Product Features:
  • Full frame stamped positive grid design provides increased corrosion resistance and superior cranking power
  • High density paste improves cycling capability
  • Polypropylene ribbed case and reinforced end-walls for extra durability
  • Anchor bonding locks elements in place to dramatically improve life with superior vibration resistance
See More

1991 Duplex Engine Parts

No need for it to be difficult to find Engine Parts for your 1991 Duplex. Compare prices, read reviews, and buy your Engine Parts online for delivery or in-store pick up.

Carquest Premium – HD Engine Oil Filler Plug (Part No.10153)

HD Engine Oil Filler Plug

from

$19.49
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.

Product Features:
  • Provides proper seal to ensure leak prevention
  • Stops engine blow by
  • High quality construction
  • Meets all OEM specifications
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1991 Duplex Cooling and Climate Controls

Carquest Premium – Heavy Duty Thermostat: With Seal, 190 Degrees (Part No.14539)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$38.49
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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Carquest Premium – Heavy Duty Thermostat: With Seal, 190 Degrees (Part No.15229)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$51.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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Carquest Premium – Heavy Duty Thermostat: With Seal, 180 Degrees (Part No.15228)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$50.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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Carquest Premium – Heavy Duty Thermostat: With Seal, 190 Degrees (Part No.14239)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$40.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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Carquest Premium – Heavy Duty Thermostat: With Seal, 160 Degrees (Part No.14536)

Heavy Duty Thermostat: With Seal, 160 Degrees

from

$35.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 170 Degrees (Part No.14537)

Heavy Duty Thermostat: With Seal, 170 Degrees

from

$50.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 180 Degrees (Part No.14538)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$37.49
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More