How to Ship High-Value Automotive Parts
High-value automotive parts represent significant investments at every point in the supply chain. From OEM components leaving a manufacturing facility to replacement parts heading to a dealership, the freight that carries them needs to arrive on time, intact, and accounted for.
Below, we cover the full picture of automotive parts shipping so you know exactly what to look for… and what to avoid.
What Makes Automotive Parts Shipping Different
Higher Stakes Than Standard Freight
OEM parts, engine components, and auto body parts carry significant replacement costs. A damaged shipment isn’t just a logistics problem; it can shut down an assembly line, delay a repair order, or break a customer relationship. Unlike general freight, automotive parts often have tight tolerances for damage and zero margin for the wrong part arriving at the wrong location.
The automotive industry also runs on tight timelines. Supply chain disruptions caused by delayed or damaged shipments can have a ripple effect across your operations. Timely delivery is a baseline expectation.
Unique Handling Requirements
Auto parts present a range of handling requirements depending on the type of component being shipped:
- Large car parts are vulnerable to surface damage and require secure, non-contact packaging
- Engine parts often contain residual fluids and require draining, capping, and crating before shipment
- Small precision parts can shift during transit if not properly secured, leading to damage or mix-ups
- Irregularly shaped components may not fit standard packaging and require custom crating or specialized trailers
Understanding these differences before you book a shipment is what separates a safe delivery from a costly claim.
What Types of Automotive Parts Get Shipped (and Why)
Automotive parts move across the country for a range of reasons. Manufacturing facilities ship components to assembly plants. Suppliers send OEM parts to dealerships for warranty repairs. Distributors move aftermarket inventory to regional warehouses. Remanufacturing facilities receive worn cores and ship rebuilt units back out. Each scenario comes with its own freight requirements.
Some of the most commonly shipped automotive parts include:
- Engine parts and assemblies – complete engines, cylinder heads, crankshafts, and engine blocks moving between remanufacturers, suppliers, and end users
- Transmissions and drivetrain components – heavy, fluid-sensitive parts that require proper draining and secure crating
- Auto body parts – car hoods, doors, fenders, and bumpers that are large, surface-sensitive, and prone to damage if improperly packed
- Suspension and steering components – control arms, struts, and subframes often shipped in bulk to distributors or repair networks
- Brake components – calipers, rotors, and brake assemblies moving through aftermarket distribution channels
- Electrical and electronic components – sensors, modules, and wiring harnesses that require protection from static, moisture, and impact
- OEM replacement parts – parts shipped directly from manufacturers to dealerships or service centers to fulfill warranty or recall orders
- Aftermarket parts – replacement parts moving from national distributors to regional warehouses, retailers, or direct to repair shops
The reason these parts are moving matters too. A dealership waiting on a warranty part has a customer without a vehicle. An assembly plant waiting on a component has a line that isn’t running. A distributor waiting on restocked inventory has orders it can’t fill. In every case, the freight is time-sensitive which is why choosing the right shipping partner is worth getting right from the start.
Choosing the Right Freight Service for Auto Parts
Full Truckload vs. Less-Than-Truckload
The first decision to make is whether your shipment warrants a full truckload (FTL) or a less-than-truckload (LTL) option.
| Shipping Type | Best For | Considerations |
|---|---|---|
| Full Truckload (FTL) | Large shipments, high-value loads, time-sensitive delivery | Dedicated trailer, lower damage risk, faster transit |
| Less-Than-Truckload (LTL) | Smaller shipments, lower volume per lane | More handling touchpoints, higher damage risk |
For high-value automotive parts, FTL is often the better call. Fewer hands on your freight means fewer opportunities for damage. Mercer Transportation offers full truckload freight services with a fleet built to handle exactly this type of shipment.
Flatbed vs. Dry Van
The right trailer type depends on the part you’re shipping.
Flatbed trailers work well for:
- Oversized or irregularly shaped parts that can’t fit inside a standard enclosed trailer
- Large car parts that require side or top loading
- Components that don’t require weather protection
Dry van trailers work well for:
- Packaged auto parts that need protection from weather and road debris
- Smaller components and palletized freight
- General auto parts delivery across standard lanes
Mercer operates a fleet of 1,300 flatbeds and 850 dry vans, giving customers the flexibility to match the right trailer to the right load.
Specialized Equipment
Some automotive parts require more than a standard flatbed or dry van. Step decks and drop decks handle taller or heavier components that exceed standard height limits. Conestoga trailers offer the accessibility of a flatbed with the weather protection of an enclosed trailer – a strong option for high-value auto body parts or finished components that need side-loading capability.
Ship Your Auto Parts With a Carrier You Can Count On
Mercer Transportation has delivered over 4 million loads safely and on time. Put your automotive freight in experienced hands.
Understanding Freight Classification for Auto Parts
What Is Freight Class and Why Does It Matter?
Freight class is a standardized rating system used by carriers to price shipments. Established by the National Motor Freight Traffic Association (NMFA), freight classes run from 50 to 500 and are based on four factors: density, stow-ability, handling difficulty, and liability.
For auto parts shipping, freight class can vary significantly depending on the part. A dense, palletized batch of engine blocks will fall into a lower freight class (and lower shipping cost) than a large, lightweight auto body part that takes up more trailer space relative to its weight.
Getting the freight class wrong costs money. Carriers that discover a misclassification will apply a reclassification fee, which can significantly inflate your final shipping cost.
How to Determine Freight Class: Step-by-Step Guide
How Package Size and Weight Affect Your Shipping Quote
When requesting a shipping quote, accurate measurements are non-negotiable. Carriers use both actual weight and dimensional weight (a calculation based on package size) to determine pricing (whichever is greater applies).
Key details to have ready before requesting a quote:
- Exact weight of each package
- Dimensions (length x width x height)
- Total number of packages or pallets
- Freight class or NMFC item number
- Any special handling requirements
Packaging Strategy for High-Value Auto Parts
Proper packaging is the first line of defense for any automotive parts shipment. No matter how reliable your carrier is, parts that aren’t packaged correctly are at risk.
Packaging Materials That Protect Parts in Transit
The right packaging materials depend on what you’re shipping, but some general principles apply across the board:
- Foam padding and edge protectors absorb impact and protect finished surfaces on body panels and trim pieces
- Anti-corrosion wraps and VCI (volatile corrosion inhibitor) film protect bare metal components like engine parts from moisture during transit
- Crating provides the best protection for large, heavy, or fragile parts that can’t be adequately secured inside a standard box
- Palletizing smaller parts together reduces handling touchpoints and keeps components organized by part number or order
Avoid relying on the manufacturer’s original packaging alone. OEM parts boxes are designed for shelf storage, not freight transit. Reinforce them or repackage entirely for long-haul shipments.
Labeling and Documentation Best Practices
Clear labeling is just as important as the packaging itself. Every package in a shipment should include:
- Part number and description
- Origin and destination
- Handling instructions (e.g., “Fragile,” “This Side Up,” “Do Not Stack”)
- Waterproof labels – standard paper labels can smear or fall off in wet or humid conditions
Inside the shipment, include a copy of the packing slip and bill of lading. If a package gets separated from the rest of the shipment, documentation inside the box helps carriers identify and redirect it to the correct destination.
Special Considerations by Part Type
| Part Type | Recommended Packaging Approach | Key Risk to Prevent |
|---|---|---|
| Engine parts | Drain fluids, cap all openings, crate or double-box | Fluid leakage, impact damage |
| Car hoods and body panels | Crate with foam separators, avoid stacking | Surface scratches, warping |
| OEM replacement parts | Reinforce original boxes, add internal padding | Box failure during transit |
| Small precision components | Bag individually, secure in partitioned box | Mixing, shifting, breakage |
| Heavy mechanical assemblies | Crate and block, use forklift-accessible pallet | Shifting, structural damage |
How to Prepare Your Shipment: Step-by-Step
Following a consistent process before every shipment reduces the risk of damage, delays, and unexpected charges.
- Identify your parts – Confirm part numbers, quantities, dimensions, and total weight
- Determine freight class – Use NMFC codes or consult your carrier for guidance
- Select packaging materials – Match your packaging strategy to the specific handling requirements of each part type
- Label all packages – Include part number, handling instructions, and destination on every package
- Choose your service type – FTL, LTL, flatbed, dry van, or specialized equipment based on the size and value of the shipment
- Request a shipping quote – Provide accurate weights, dimensions, freight class, and any access point restrictions at pickup or delivery
- Confirm logistics details – Verify forklift availability at both locations, delivery hours, and any residential or limited-access delivery requirements
- Track your shipment – Work with a carrier that offers real time tracking so you can monitor your freight from pickup to delivery
What to Look for in an Auto Parts Shipping Company
Not every freight carrier is equipped to handle high-value vehicle parts. Here’s what to evaluate when choosing a transport provider.
Experience With the Automotive Industry
Ask whether the carrier has a track record with auto parts delivery specifically. A carrier experienced in the automotive industry will understand freight class nuances, handling requirements for different part types, and how to coordinate with manufacturing facilities and distribution centers.
Carrier Network and Coverage
If your auto parts shipping needs span multiple states or cross the border into Canada, you need a carrier with the network to support it. Look for a shipping company with a verified carrier network and cross-border experience across the United States and beyond.
Competitive Rates and Reliability
Competitive rates matter, but they shouldn’t come at the cost of reliability. The cheapest option often means more handling, longer transit times, and higher damage risk. Evaluate carriers based on:
- On-time delivery rates
- Cargo claims history
- Safety ratings (available through the FMCSA’s Safety and Fitness Electronic Records system)
- Customer retention and long-term relationships
A carrier that customers come back to year after year is a better sign of quality than a low-ball quote.
Why Mercer Transportation for Automotive Parts Shipping
Founded in 1977, Mercer Transportation has grown from a single truck to one of the largest and most recognized freight shipping services in North America.
With 1,300 flatbeds, 850 dry vans, 600 drop decks, 30 Conestoga trailers, and a network of 1,600+ trucks and 30,000 approved carriers, Mercer has the equipment and capacity to match the right trailer to any automotive parts shipment. Plus, we handle the entire process for you.
Whether you need a one-time flatbed shipment for a large car parts order or a contract freight solution for ongoing auto parts delivery, Mercer has the experience to get it done right.
Request a shipping quote or contact Mercer’s team directly to discuss your automotive parts freight needs.