2024 Ram 3500 Factory Maintenance Schedule

Keeping your 2024 Ram 3500 running at peak performance requires strict adherence to its factory maintenance schedule. Whether you are hauling heavy equipment with the 6.7L Cummins Turbo Diesel or utilizing the 6.4L HEMI V8 for daily payload tasks, regular service is the key to longevity. As an ASE-certified master technician, I have compiled the essential factory-spec intervals to ensure your heavy-duty truck stays on the road and out of the shop.

Note: The Ram 3500 utilizes an Intelligent Oil-Life Monitor (IOLM). Never exceed 15,000 miles or 500 engine hours for the Cummins diesel, or 10,000 miles/12 months for the 6.4L gas engine, regardless of the indicator.

Quick reference

Below is the comprehensive maintenance schedule for the 2024 Ram 3500. This table covers standard driving conditions and encompasses both the 6.7L Cummins Diesel and 6.4L HEMI V8 where applicable.

Severe-duty schedule

A Ram 3500 is rarely used as a grocery getter. If you use your truck for towing heavy loads, commercial plowing, driving in dusty conditions, extensive idling (over 10 minutes per hour of driving), or operating in extreme cold, you fall under the severe-duty schedule.

• Oil Changes: Severe duty dictates changing the oil every 5,000 to 7,500 miles (or 350 engine hours) for both gas and diesel engines.
• Fuel Filters (Cummins): In dirty environments or when using lower-tier diesel, change fuel filters every 10,000 miles to protect the high-pressure fuel pump (CP4/CP3 variants).
• Transmission Service: If towing frequently, service the transmission fluid and filter every 30,000 miles (especially important for the 68RFE).
• Differentials & Transfer Case: Fluid should be changed every 30,000 miles instead of 120,000 miles when subjected to frequent heavy towing.
• Air Filters: Inspect at every oil change and replace as needed, often halving the standard 30,000-mile interval.

Known issues by mileage

For the current generation Ram 3500 (2019-present, including 2024 updates), pay attention to these mileage markers:

• 15,000 - 30,000 miles: Early wear on original equipment (OEM) tires due to heavy curb weight and high torque. Frequent tire rotations (every 5k) are mandatory to prevent cupping.
• 50,000 - 60,000 miles: Front-end track bar and ball joint wear. The heavy front end (especially with the Cummins) puts immense stress on steering components. Watch for "death wobble" symptoms or steering play.
• 67,500 miles: A clogged CCV (Crankcase Ventilation) filter on the Cummins can cause excess crankcase pressure, leading to blown oil seals. Do not skip this service.
• 100,000+ miles: Emission system sensors (NOx, EGT) and DPF (Diesel Particulate Filter) soot accumulation can become problematic if the truck is subjected to too much idling and not enough highway hauling.

Estimated cost per service

Heavy-duty trucks come with heavy-duty maintenance bills. Here is a rough estimate of what you can expect to pay at a shop or dealership for a 2024 Ram 3500:

• Oil Change (6.4L Gas): $90 - $130
• Oil Change & Fuel Filters (6.7L Diesel): $250 - $400 (Diesels hold 3 gallons of oil and require two expensive fuel filters).
• Tire Rotation: $25 - $50
• Transmission Service: $350 - $600 (AISIN transmissions are notoriously more expensive to service).
• Differential/Transfer Case Service: $200 - $350 per axle.
• CCV Filter Replacement (Diesel): $150 - $250.
• Spark Plugs (Gas): $300 - $450 (16 plugs total - 2 per cylinder).

What you can DIY vs shop

What you can DIY: If you have a large drain pan (capable of holding 12+ quarts) and a grease gun, basic services are very DIY-friendly. Oil changes, engine and cabin air filters, and the front driveshaft greasing are straightforward. The rear frame-mounted fuel filter on the Cummins is easily accessible, and the under-hood filter is manageable with a large socket.

What you should leave to the shop: Transmission fluid services (especially on the AISIN, which requires specific leveling procedures and thermal management), coolant flushes, and brake fluid flushes are best left to professionals. Additionally, diagnosing high-pressure common-rail fuel system issues or DEF/DPF emission faults requires specialized scan tools that most home mechanics do not possess.

When your heavy hauler is due for its next service interval, ensure it is handled by professionals who understand the specific needs of an HD Ram.

Book service on Repairius.