2003 Gmc Topkick B7 School Bus Oil Type

Recommended oil for my 2003 Topkick B7 School Bus

Product Name	Product Description	Product
Heavy-Duty Synthetic Diesel Oil 15W-40	AMSOIL Heavy-Duty Synthetic Diesel Oil is a special formula made for your hard-working equipment. It is engineered to provide four times better wear protection for your 2003 Gmc. Check your owner's manual for the oil change interval. This is the best synthetic diesel oil for your Gmc and be sure to get an awesome oil filter.	ADPQT-EA Add To Cart Add To Cart
Signature Series Max-Duty Synthetic Diesel Oil 15W-40	Our top-grade synthetic diesel oil! Get the best synthetic diesel oil for your 2003 Gmc Topkick B7 School Bus Caterpillar 3126 engine and confidently extend drain intervals! Provides six times better wear protection than required by the Detroit Diesel DD13 Scuffing Test for Specification DFS 93K222. Heavy-Duty On-/Off-Road: Three times (3X) OEM1 recommendation, not to exceed 60,000 miles/600 hours or oneyear, whichever comes first. Turbodiesel Pickup: Two times (2X) OEM1 recommendation, not to exceed 25,000 miles or one year, whichever comes first. Gasoline Engine S	DMEQT-EA Add To Cart Add To Cart
Signature Series Max-Duty Synthetic Diesel Oil 5W-40	Amsoil's top synthetic diesel oil! You have found the best synthetic for your Gmc. Will give you six times better protection against wear than required by the Detroit Diesel DD13 Scuffiing Test. Heavy-Duty On-/Off-Road: Three times (3X) OEM1 recommendation, not to exceed 60,000 miles/600 hours or oneyear, whichever comes first. Turbodiesel Pickup: Two times (2X) OEM1 recommendation, not to exceed 25,000 miles or one year, whichever comes first. Gasoline Engine Service Life:Two times (2X) OEM1 recommendation, not to exceed 15,000 miles or one year, which	DEOQT-EA Add To Cart Add To Cart

Product Name

Product Description

Capacities

Product

Heavy-Duty Synthetic Diesel Oil 15W-40

AMSOIL Heavy-Duty Synthetic Diesel Oil is a special formula made for your hard-working equipment. It is engineered to provide four times better wear protection for your 2003 Gmc. Check your owner's manual for the oil change interval. This is the best synthetic diesel oil for your Gmc and be sure to get an awesome oil filter.

ADPQT-EA

Add To Cart

Signature Series Max-Duty Synthetic Diesel Oil 15W-40

Our top-grade synthetic diesel oil! Get the best synthetic diesel oil for your 2003 Gmc Topkick B7 School Bus Caterpillar 3126 engine and confidently extend drain intervals! Provides six times better wear protection than required by the Detroit Diesel DD13 Scuffing Test for Specification DFS 93K222. Heavy-Duty On-/Off-Road: Three times (3X) OEM1 recommendation, not to exceed 60,000 miles/600 hours or oneyear, whichever comes first. Turbodiesel Pickup: Two times (2X) OEM1 recommendation, not to exceed 25,000 miles or one year, whichever comes first. Gasoline Engine S

DMEQT-EA

Add To Cart

Signature Series Max-Duty Synthetic Diesel Oil 5W-40

Amsoil's top synthetic diesel oil! You have found the best synthetic for your Gmc. Will give you six times better protection against wear than required by the Detroit Diesel DD13 Scuffiing Test. Heavy-Duty On-/Off-Road: Three times (3X) OEM1 recommendation, not to exceed 60,000 miles/600 hours or oneyear, whichever comes first. Turbodiesel Pickup: Two times (2X) OEM1 recommendation, not to exceed 25,000 miles or one year, whichever comes first. Gasoline Engine Service Life:Two times (2X) OEM1 recommendation, not to exceed 15,000 miles or one year, which

DEOQT-EA

Add To Cart

Recommended oil filters for my 2003 Topkick B7 School Bus

Product Name	Product Description	Product
AMSOIL Ea Heavy Duty Oil Filters	This heavy duty oil filter has awesome filtering efficiency for your 2003 Gmc Topkick B7 School Bus. Protect your engine and lower your maintenance costs.	EAHD3191-EA Add To Cart Add To Cart
Donaldson P-Series Lube Filters	Get this high efficiency filter for your 2003 Gmc Topkick B7 School Bus which is constructed with cellulose or synthetic materials.	P551807-EA Add To Cart Add To Cart

Product Name

Product Description

Product

AMSOIL Ea Heavy Duty Oil Filters

This heavy duty oil filter has awesome filtering efficiency for your 2003 Gmc Topkick B7 School Bus. Protect your engine and lower your maintenance costs.

EAHD3191-EA

Add To Cart

Donaldson P-Series Lube Filters

Get this high efficiency filter for your 2003 Gmc Topkick B7 School Bus which is constructed with cellulose or synthetic materials.

P551807-EA

Add To Cart

Recommended transmission fluids for my 2003 Topkick B7 School Bus

Product Name	Note	Capacities	Product Description	Product
Torque-Drive® Synthetic Automatic Transmission Fluid	Automatic Transmission Fluid		Awesome protection under extreme temperature! Protect heavy-duty transmissions with this made in the USA oil. Follow the service interval in your owner's manual. Protect your Gmc.	ATD1G-EA Add To Cart Add To Cart

Product Name

Note

Capacities

Product Description

Product

Torque-Drive® Synthetic Automatic Transmission Fluid

Automatic Transmission Fluid

Awesome protection under extreme temperature! Protect heavy-duty transmissions with this made in the USA oil. Follow the service interval in your owner's manual. Protect your Gmc.

ATD1G-EA

Add To Cart

Recommended coolants for my Gmc Topkick B7 School Bus

Product Name	Product Description	Capacities	Product
Heavy-Duty Antifreeze & Coolant	This heavy duty antifreeze for your 2003 Gmc Topkick B7 School Bus will give you awesome heat protection. Will also protect against corrosion, freezing and boil over. Get top protection under extreme temperatures and severe conditions. Protects aluminum, steel, cast iron, copper, brass and solder alloys.		ANTHD1G-EA Add To Cart Add To Cart

Product Name

Product Description

Capacities

Product

Heavy-Duty Antifreeze & Coolant

This heavy duty antifreeze for your 2003 Gmc Topkick B7 School Bus will give you awesome heat protection. Will also protect against corrosion, freezing and boil over. Get top protection under extreme temperatures and severe conditions. Protects aluminum, steel, cast iron, copper, brass and solder alloys.

ANTHD1G-EA

Add To Cart

Maintenance and Fluid Information for 2003 GMC Topkick B7 School Bus Caterpillar 3126

For the 2003 GMC Topkick B7 School Bus Caterpillar 3126, you will find 15W-40 and 5W-40 in the engine-oil listings. The matching product listings include Heavy-Duty Synthetic Diesel Oil 15W-40, Signature Series Max-Duty Synthetic Diesel Oil 15W-40, Signature Series Max-Duty Synthetic Diesel Oil 5W-40. Those are product matches, not proof that every listed oil meets every requirement for this engine. Check the manufacturer’s oil specification before choosing one.

What oil filter is listed for my 2003 GMC Topkick B7 School Bus Caterpillar 3126, and what is the part number?

The oil-filter part numbers listed for this vehicle include EAHD3191-EA, P551807-EA.

Does severe driving affect oil-change timing for my 2003 GMC Topkick B7 School Bus Caterpillar 3126?

Use the manufacturer’s maintenance schedule for this engine and operating conditions. The available application data does not establish an exact oil-change interval.

What type of motor oil does my 2003 GMC Topkick B7 School Bus Caterpillar 3126 use?

15W-40, 5W-40 is the engine-oil viscosity listed for this vehicle.