Duplex Parts

ZEREX G05® is the automaker approved original chemistry used in newer Ford®, Chrysler® and Mercedes-Benz® automotive and diesel engines. Its Hybrid Organic Acid Technology (HOAT) chemistry combines the best of conventional and organic acid-based chemistry to provide the ultimate protection against rust and corrosion. ZEREX G05 antifreeze/coolant uses the highest-quality virgin ethylene glycol for freeze and boil over protection and a hybrid organic acid corrosion inhibitor package to protect your engines from liner pitting and corrosion.

Product Features:

• Automaker approved technology. Provides protection for 5 years / 150,000 miles in light duty applications and 3 years / 300,000 miles in heavy duty applications.
• Formulated for long life performance
• Low-silicate, low-pH and phosphate-free formula
• Helps protect all cooling system metals, including aluminum

ZEREX G05® is the automaker approved original chemistry used in newer Ford®, Chrysler® and Mercedes-Benz® automotive and diesel engines. Its Hybrid Organic Acid Technology (HOAT) chemistry combines the best of conventional and organic acid-based chemistry to provide the ultimate protection against rust and corrosion. ZEREX G05® antifreeze/coolant uses the highest quality virgin ethylene glycol for freeze and boil over protection and a hybrid organic acid corrosion inhibitor package to protect your engines from liner pitting and corrosion.

Product Features:

• Automaker approved technology. Provides protection for 5 years / 150,000 miles in light duty applications and 3 years / 300,000 miles in heavy duty applications
• Formulated for long life performance
• Low-silicate, low-pH and phosphate-free formula
• Helps protect all cooling system metals, including aluminum

Prestone Command Extended Service Interval (ESI) antifreeze+coolant (Concentrate) is designed to work with all Class 6-8 vehicles. It is compatible with any IAC engine. This formula is Nitrites and precharged with supplemental coolant additive (SCA). Command ESI is a stabilized, low silicate formula, which helps reduce deposits and hard water scale buildup. There are no phosphates in this formula. Command ESI requires monitoring and maintaining the additive levels (SCAs).

Product Features:

• Extended Service Internal (ESI) SCA Precharged – Purple Formula
• Stabilized, Low silicate (no phosphates) formula – helps reduce deposits and hard water scale buildup
• Meets OEM Performance requirements: ASTM D6210, D3306, D4985; TMC RP329A, RP338A; Cummings CES 14603, CES 90T8-4; Detroit Diesel 93K217, 7SE298 and many OEM requirements
• Concentrated formula. Must mix with high quality (distilled/deionized) water to the desired ratio. Can be used for top-off, complete drain and refill or flush and refill of the cooling system.

Prestone Command Nitrites (NOAT) Extended Life (ELC) antifreeze+coolant (ready to use) is designed to work with all Class 6-8 vehicles. When compared to ESI and low silicate conventional, it is designed to help lower maintenance costs and improve water pump life. It is compatible with any Nitrites OAT engine. This formula is Nitrites and provides excellent protection for aluminum and all other engine metals. Command NOAT ELC protects against liner pitting and corrosion protections.

Product Features:

• Nitrites Extended Life Coolant – NOAT ELC – Red formula. Compatible with any Nitrites OAT
• Helps lower maintenance costs and improve water pump life when compared to ESI coolants
• Meets OEM Performance requirements: ASTM D6210, D3306, D4985; TMC RP329A, RP338A, RP364; Cummings CES 14439; Cat EC-1 and many OEM requirements
• Ready to Use formula (prediluted to a 50% Eg and 50% distilled water mix). Perfect for small volume top-off or complete drain and refill of the cooling system

Carquest Starters take advantage of the power of 100% NEW to restore hard working vehicles to OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest Starters are primed to keep fleets moving forward. Built to perform in severe duty environments, with high output capabilities built in through improved technical & material formulas for high power output and efficient performance.

Product Features:

• High quality components form the foundation our parts are built from. Transpo¿s innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs.
• Power & Efficiency are designed into every component. No matter the ambient temperature, starters will provide maximum cranking power to get engines running.
• Connectors and power transmission components are highly resistant to extreme moisture environments because we use nickel plated contactors and double armature coating. We maintain a rigorous test schedule with endurance, salt spray, dirt and grime and out
• Integrated magnetic switch provides protection against weak power from batteries.
• Over-Crank Protection (OCP) Monitors heat in starter from over cranking & shuts down starter to prevent burning
• Precision design and machining are the Extreme vibration failure solution. Vehicles often perform in adverse conditions like extreme temperatures that create tolerance shifts that produce high frequency vibration, which leads to resistance in power transf

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:

• LifeGrid Technology calcium/lead alloy punched-grid plates that provide maintenance-free performance, consistent power and enhanced durability
• Dependable starting power
• Maintenance-free performance
• Vibration resistant

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:

• LifeGrid Technology calcium/lead alloy punched-grid plates that provide maintenance-free performance, consistent power and enhanced durability
• Dependable starting power
• Maintenance-free performance
• Vibration resistant

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. Key benefits of OPTIMA YELLOWTOP batteries include deep-cycling battery and OPTIMAL starting power, up to 3x longer service life, 15x more resistant to vibration, leak proof, mountable in virtually any position, maintenance-free, and more than 300 discharge / recharge cycles. OPTIMA YELLOWTOP batteries work well for tractors or forklifts.

Product Features:

• Faster recharging capabilities
• Maintenance free for maximum convenience
• Completely non-spillable, mountable in many positions
• 15x the vibration resistance of a standard flooded battery
• Up to 3 times longer life vs. standard flooded batteries
• SPIRALCELL TECHNOLOGY with 99.99% pure lead delivers more power and consistently outperforms conventional flat-plate batteries

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

Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are primed to keep you moving forward. Built to perform in severe duty environments where consistent efficient high outputs are required.

Product Features:

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Product Features:

• Contains Innovative Brush-less and Premium Brush Components that have been tested and certified for highest possible power output
• Stator – wound to OE specifications. Heavy coated Polyester wire provides consistent conductivity
• Premium Transpo rectifiers use 13mm press fit Diodes for maximum performance
• Rotor shafts CNC machined & precision balanced to eliminate vibration
• Over-Voltage shutdown limits voltage if output terminal is disconnected form the battery
• Load dump protection ensures transient voltage spikes do not damage transistor
• Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.

PEAK Antifreeze + Coolant Concentrate is specially engineered to deliver guaranteed superior lifetime protection. Its advanced universal formula contains a proprietary blend of 10X the scale-fighting inhibitors coupled with robust organic additives to fight against the damaging effects of scale deposits and corrosion. PEAK Antifreeze + Coolant is free of 2-EHA, silicate, nitrite, borate, and amines, ensuring maximum cooling system performance for 10 years/300,000 miles. It is compatible for use with any color or type of antifreeze/coolant in the system.

Product Features:

• Specially formulated to deliver Superior Lifetime Protection against damaging scale and corrosion
• Contains 10X the scale-fighting inhibitors to ensure maximum cooling system performance
• Provides more coverage for 10+ years/300,000+ miles of service
• Universal formula is compatible with any color or type of antifreeze/coolant
• Meets the performance requirements of ASTM D3306 and D4985

PEAK FINAL CHARGE Global Full Strength Extended Life Coolant/Antifreeze is an Organic Acid Technology (OAT), globally formulated, ethylene glycol-based coolant, which uses organic acid inhibitors (non-2-EH) to provide guaranteed protection for all cooling system metals. With proper maintenance, (1) FINAL CHARGE Global Extended Life Coolant/Antifreeze delivers guaranteed cooling system protection for ONE MILLION MILES of on-road use (8 years or 20,000 hours of off-road use) without the use of Supplemental Coolant Additives (SCAs). FINAL CHARGE Global Extended Life Coolant/Antifreeze is nitrite-free, phosphate-free, silicate-free, and borate-free. (1)Proper maintenance requires a complete cooling system flush and fill – and subsequent topping off, as needed – with FINAL CHARGE Global Extended Life 50/50 Pre-diluted Coolant/Antifreeze or Final Charge Global Extended Life Coolant/Antifreeze and water. For guaranteed protection, no other products or product supplements may be used.

Product Features:

• Works in ALL heavy duty diesel, gasoline and natural gas engine cooling systems
• Guaranteed protection for ONE MILLION MILES of on-road use (8 years or 20,000 hours of off-road use) (Proper maintenance requires a complete cooling system flush and fill – and subsequent topping off, as needed)
• Eliminates the need for SCAs and chemically charged ?lters & Excellent heat transfer for high temperature applications such as engines with EGR and SCR systems
• Outstanding protection against corrosion and cavitation. Non-abrasive formula can improve water pump seal life.
• Eliminates drop-out, gel and reduces scale.
• Can be mixed with other coolants (to maintain corrosion protection contamination levels should be kept below 25%). Provides exceptional long term elastomer compatibility
• Testing Requirements: For proper freeze and boil over protection, use a traditional refractometer or hydrometer to measure the percentage of ethylene glycol by volume.

Prestone Command Nitrites (NOAT) Extended Life (ELC) antifreeze+coolant (Concentrate) is designed to work with all Class 6-8 vehicles. When compared to ESI and low silicate conventional, it is designed to help lower maintenance costs and improve water pump life. It is compatible with any Nitrites OAT engine. This formula is Nitrites and provides excellent protection for aluminum and all other engine metals. Command NOAT ELC protects against liner pitting and corrosion protections.

Product Features:

• Nitrites Extended Life Coolant – NOAT ELC – Red formula. Compatible with any Nitrites OAT
• Helps lower maintenance costs and improve water pump life when compared to ESI coolants
• Meets OEM Performance requirements: ASTM D6210, D3306, D4985; TMC RP329A, RP338A, RP364; Cummings CES 14439; Cat EC-1 and many OEM requirements
• Concentrated formula. Must mix with high quality (distilled/deionized) water to the desired ratio. Can be used for top-off, complete drain and refill or flush and refill of the cooling system.

Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:

• Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
• WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
• Product constructed to meet all design and operating characteristics as intended by the manufacturer.
• OE specified wire gauge to ensure a reliable electrical connection
• Designed to meet or exceed OE specifications in form, fit and function

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:

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

Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are pri

Product Features:

• High quality components form the foundation our parts are built from. Transpo’s innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs.
• Power & Efficiency are designed into every component. No matter the ambient temperature, starters will provide maximum cranking power to get engines running.
• Connectors and power transmission components are highly resistant to extreme moisture environments because we use nickel plated contactors and double armature coating. We maintain a rigorous test schedule with endurance, salt spray, dirt and grime and out
• Integrated magnetic switch provides protection against weak power from batteries.
• Over-Crank Protection (OCP) Monitors heat in starter from over cranking & shuts down starter to prevent burning
• Precision design and machining are the Extreme vibration failure solution. Vehicles often perform in adverse conditions like extreme temperatures that create tolerance shifts that produce high frequency vibration, which leads to resistance in power transf
• Load dump protection ensures transient voltage spikes do not damage transistor
• Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.

Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are primed to keep you moving forward. Built to perform in severe duty environments where consistent efficient high outputs are required.

Product Features:

• 
  
  

Product Features:

• Contains Innovative Brush-less and Premium Brush Components that have been tested and certified for highest possible power output
• Stator – wound to OE specifications. Heavy coated Polyester wire provides consistent conductivity
• Premium Transpo rectifiers use 13mm press fit Diodes for maximum performance
• Rotor shafts CNC machined & precision balanced to eliminate vibration
• Over-Voltage shutdown limits voltage if output terminal is disconnected form the battery
• Load dump protection ensures transient voltage spikes do not damage transistor
• Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.

Carquest Starters take advantage of the power of 100% NEW to restore hard working vehicles to OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest Starters are primed to keep fleets moving forward. Built to perform in severe duty environments, with high output capabilities built in through improved technical & material formulas for high power output and efficient performance.

Product Features:

• High quality components form the foundation our parts are built from. Transpo¿s innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs.
• Power & Efficiency are designed into every component. No matter the ambient temperature, starters will provide maximum cranking power to get engines running.
• Connectors and power transmission components are highly resistant to extreme moisture environments because we use nickel plated contactors and double armature coating. We maintain a rigorous test schedule with endurance, salt spray, dirt and grime and out
• Integrated magnetic switch provides protection against weak power from batteries.
• Over-Crank Protection (OCP) Monitors heat in starter from over cranking & shuts down starter to prevent burning
• Precision design and machining are the Extreme vibration failure solution. Vehicles often perform in adverse conditions like extreme temperatures that create tolerance shifts that produce high frequency vibration, which leads to resistance in power transf

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:

• LifeGrid Technology calcium/lead alloy punched-grid plates that provide maintenance-free performance, consistent power and enhanced durability
• Dependable starting power
• Maintenance-free performance
• Vibration resistant

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:

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

Carquest Starters take advantage of the power of 100% NEW to restore hard working vehicles to OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest Starters are primed to keep fleets moving forward. Built to perform in severe duty environments, with high output capabilities built in through improved technical & material formulas for high power output and efficient performance.

Product Features:

• High quality components form the foundation our parts are built from. Transpo¿s innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs.
• Power & Efficiency are designed into every component. No matter the ambient temperature, starters will provide maximum cranking power to get engines running.
• Connectors and power transmission components are highly resistant to extreme moisture environments because we use nickel plated contactors and double armature coating. We maintain a rigorous test schedule with endurance, salt spray, dirt and grime and out
• Integrated magnetic switch provides protection against weak power from batteries.
• Over-Crank Protection (OCP) Monitors heat in starter from over cranking & shuts down starter to prevent burning
• Precision design and machining are the Extreme vibration failure solution. Vehicles often perform in adverse conditions like extreme temperatures that create tolerance shifts that produce high frequency vibration, which leads to resistance in power transf

Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are pri

Product Features:

• High quality components form the foundation our parts are built from. Transpo’s innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs.
• Power & Efficiency are designed into every component. No matter the ambient temperature, starters will provide maximum cranking power to get engines running.
• Connectors and power transmission components are highly resistant to extreme moisture environments because we use nickel plated contactors and double armature coating. We maintain a rigorous test schedule with endurance, salt spray, dirt and grime and out
• Integrated magnetic switch provides protection against weak power from batteries.
• Over-Crank Protection (OCP) Monitors heat in starter from over cranking & shuts down starter to prevent burning
• Precision design and machining are the Extreme vibration failure solution. Vehicles often perform in adverse conditions like extreme temperatures that create tolerance shifts that produce high frequency vibration, which leads to resistance in power transf
• Load dump protection ensures transient voltage spikes do not damage transistor
• Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.

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

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:

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

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