Stewart & Stevenson 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. Volume: 1 gallon.

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. Volume: 1 gallon.

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). Volume: 1 gallon.

Prestone All Vehicles antifreeze+coolant (ready to use) is truly designed to work with all vehicles; all makes, models, years & fluid colors. It is designed to work with all new engines while also being backwards compatible improving protection in all older engines. The patented Cor-Guard technology (the best innovation in the category in decades) instantly protects parts from corrosion, buildup, pitting, scaling, rust and other damage. These fluids are specially designed to not only manage the engine temp and protect from freezing up (like competitors), but they also potect the engine from damage. Internal damage can cause engine part failure, leading to expensive repairs and serious inconveniences . Avoid costly repairs and vehicles in the shop with Prestone All Vehicles antifreeze+coolant. This fluid is designed to last 10yrs / 300,000 miles and also to protect the internal parts of the engine for 10yrs / 300,000, offically patented by Prestone. Volume: 1 gallon.

Prestone All Vehicles antifreeze+coolant (concentrate) is truly designed to work with all vehicles; all makes, models, years & fluid colors. It is designed to work with all new engines, while also being backwards compatible improving protection in all older engines. The patented Cor-Guard technology (the best innovation in the category in decades) instantly protects parts from corrosion, buildup, pitting, scaling, rust and other damage. Prestone’s Antifreeze + Coolants are designed to the highest standards using state of the art technology. These fluids are specially designed to not only manage the engine temp and protect from freezing up (like competitors), but they also protect the engine from damage. internal damage can cause engine part failure, expensive repairs and serious inconveniences . Avoid costly repairs and vehicles in the shop with Prestone All Vehicles antifreeze+coolant. This fluid is designed to last 10yrs / 300,000 miles and also to protect the internal parts of the engine for 10yrs / 300,000, offically patented by Prestone. Volume: 1 gallon.

FRAM Extended Life AMAM Concentrate is compatible with any antifreeze/coolant in any vehicle with aluminum or other cooling system metals. The formulas have a blend of long-lasting inhibitors to guard against temperature extremes and the effects of rust, corrosion, and premature water pump failure. FRAM Concentrate meets or exceeds ASTM D3306 and D4985 for corrosion protection for cars and light duty trucks, while providing reliable freeze-up and boil-over protection. Volume: 1 gallon.

FRAM Extended Life AMAM 50/50 is compatible with any antifreeze/coolant in any vehicle with aluminum or other cooling system metals. The formulas have a blend of long-lasting inhibitors to guard against temperature extremes and the effects of rust, corrosion, and premature water pump failure. Top-off your cooling system with FRAM Extended Life AMAM 50/50, which is a blend of 50% antifreeze and 50% demineralized water. FRAM 50/50 meets or exceeds ASTM D3306 and D4985 for corrosion protection for cars and light duty trucks, while providing reliable freeze-up and boil-over protection. Volume: 1 gallon.

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.

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.

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.

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.

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.

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.

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.

This 100% new starter is engineered to meet or exceed OEM specifications, ensuring a perfect fit and hassle-free installation for your vehicle. Designed with premium-grade solenoids, it features materials chosen for optimal conductivity, a high-temperature cap for flawless performance in extreme heat, and a high dielectric strength outer case to resist shorting. The precision-machined armatures and upgraded steel shaft enhance durability and overall performance, making it a reliable choice for long-term use. Operating at 12 volts, this starter is built to deliver consistent power and dependable starts every time. Each unit comes with a printed copy of test results, giving you confidence in its quality and performance right out of the box.

ZEREX G40® Antifreeze/Coolant provides unsurpassed protection for vehicles requiring genuine G40 and G12++ fluid. This Original Equipment Manufacturer (OEM) approved formula ensures you are getting the precise factory-filled original formula for your European vehicle. ZEREX G40 is a premium grade, long-life coolant that employs nitrite, amine and phosphate-free, Si-organic acid technology (Si-OAT) to protect the cooling system from rust and corrosion. ZEREX G40 chemistry will not void vehicle manufacturer warranty. Provides protection for 5 years / 150,000 miles in light duty applications and 3 years / 300,000 miles in heavy duty applications. Dont just use any coolant, use the chemistry specified by the manufacturer: Use ZEREX. Volume: 1 gallon.

Prestone Command Cor-Guard Nitrite Free (NF-OAT) Extended Life (ELC) antifreeze+coolant (Concentrate) is designed to work with all Class 1-8 vehicles; Heavy Duty and Light Duty. COR-GUARD technology increases uptime; More miles between service = Less cost to maintain. Utilizing Cor-Guard technology, this formula is designed to protect cooling system parts from corrosion and damage. It instantly protects against the spread of rust, corrosion, pitting, gunk, grime and build-up. It is one fluid that can be used for the whole fleet; all vehicles, coolant colors (LD) and any Nitrite Free OAT engine (HD). Service life is 1,000,000 Miles/20,000 hrs [class 7-8 with wet sleeve liners]. When compared to ESI and low silicate conventional, it is designed to help lower maintenance costs and improve water pump life. This formula is Nitrite Free, provides excellent protection for aluminum and all other engine metals and eliminates the need to add supplemental coolant additives. Volume: 1 gallon.

ZEREX G40® Antifreeze/Coolant provides unsurpassed protection for vehicles requiring genuine G40 and G12++ fluid. This Original Equipment Manufacturer (OEM) approved formula ensures you are getting the precise factory-filled original formula for your European vehicle. ZEREX G40 is a premium grade, long-life coolant that employs nitrite, amine and phosphate-free, Si-organic acid technology (Si-OAT) to protect the cooling system from rust and corrosion. ZEREX G40 chemistry will not void vehicle manufacturer warranty. Provides protection for 5 years / 150,000 miles in light duty applications and 3 years / 300,000 miles in heavy duty applications. Dont just use any coolant, use the chemistry specified by the manufacturer: Use ZEREX. Volume: 1 gallon.

Prestone Platinum antifreeze+coolant is Prestone’s best universal antifreeze and coolant product. Guaranteed to work with all vehicles; all makes, models, years and fluid colors. 15+ years, 350,000 miles of protection; the fluid is Guaranteed for the life of your vehicle. This advanced product delivers Extreme Protection against both freezing temperatures (-50 deg.) and overheating/boiling over of the engine (+268 deg.). Prestone Platinum utilizes industry leading protection from engine damaging rust, corrosion, buildup and scale. While ordinary antifreeze coolant only focuses on the basic corrosion coverage, Prestone Platinum goes farther, adding our most advanced cooling system protection, allowing the system to run optimally, like when it was new. Internal buildup and corrosion damage can cause engine part failure or clogging, leading to expensive repairs and inconveniences. Prestone Platinum helps you avoid costly repairs and vehicles in the shop. This extended life coolant is Guaranteed to work with all new engines and engine technology, while also being backwards compatible, improving protection in all older engines. Prestone Platinum antifreeze+coolant – Year Round Protection. Volume: 1 gallon.

Prestone Command Cor-Guard Nitrite Free (NF-OAT) Extended Life (ELC) antifreeze+coolant (ready to use) is designed to work with all Class 1-8 vehicles; Heavy Duty and Light Duty. COR-GUARD technology increases uptime; More miles between service = Less cost to maintain. Utilizing Cor-Guard technology, this formula is designed to protect cooling system parts from corrosion and damage. It instantly protects against the spread of rust, corrosion, pitting, gunk, grime and build-up. It is one fluid that can be used for the whole fleet; all vehicles, coolant colors (LD) and any Nitrite Free OAT engine (HD). Service life is 1,000,000 Miles/20,000 hrs [class 7-8 with wet sleeve liners]. When compared to ESI and low silicate conventional, it is designed to help lower maintenance costs and improve water pump life. This formula is Nitrite Free, provides excellent protection for aluminum and all other engine metals and eliminates the need to add supplemental coolant additives. Volume: 1 gallon.

All Antifreeze + Coolants are not the same. Prestone MAX antifreeze + coolant is GUARANTEED to provide MAXIMUM ENGINE PROTECTION in all Vehicle Makes, Models & Years. It delivers the widest range of temperature protection, industry leading protection from engine damaging rust & corrosion and the longest lasting protection in the industry. Trust Prestone for maximum, year-round engine protection. Volume: 1 gallon.

Prestone Platinum antifreeze+coolant is Prestone’s best universal antifreeze and coolant product. Guaranteed to work with all vehicles; all makes, models, years and fluid colors. 15+ years, 350,000 miles of protection; the fluid is Guaranteed for the life of your vehicle. This advanced product delivers Extreme Protection against both freezing temperatures (-50 deg.) and overheating/boiling over of the engine (+268 deg.). Prestone Platinum utilizes industry leading protection from engine damaging rust, corrosion, buildup and scale. While ordinary antifreeze coolant only focuses on the basic corrosion coverage, Prestone Platinum goes farther, adding our most advanced cooling system protection, allowing the system to run optimally, like when it was new. Internal buildup and corrosion damage can cause engine part failure or clogging, leading to expensive repairs and inconveniences. Prestone Platinum helps you avoid costly repairs and vehicles in the shop. This extended life coolant is Guaranteed to work with all new engines and engine technology, while also being backwards compatible, improving protection in all older engines. Prestone Platinum antifreeze+coolant – Year Round Protection. Volume: 1 gallon.

All Antifreeze + Coolants are not the same. Prestone MAX antifreeze + coolant is GUARANTEED to provide MAXIMUM ENGINE PROTECTION in all Vehicle Makes, Models & Years. It delivers the widest range of temperature protection, industry leading protection from engine damaging rust & corrosion and the longest lasting protection in the industry. Trust Prestone for maximum, year-round engine protection. Volume: 1 gallon.