Skid Plate Kit for the Tacoma — Engine, Transfer Case, and Fuel Tank
The Tacoma's factory skid plates are thin stamped steel that protects the oil pan and not much else — a full aftermarket skid system covers the transfer case, fuel tank, and rear differential with 3/16" or thicker steel that can take a direct hit from a rock.
The factory Toyota skid plate covers the engine oil pan with roughly 1/8" stamped steel. That's adequate for minor debris and gravel but will deform on a direct rock strike and potentially contact the oil pan itself. Aftermarket full skid kits replace and extend that protection to cover everything under the truck: oil pan, transmission, transfer case, and fuel tank. For a truck that sees regular rocky terrain, this is baseline protection — not a luxury add-on.
What each skid covers matters when evaluating kits. A full-coverage system includes the front crossmember and oil pan skid, a center transmission and transfer case skid (often the largest piece), and a rear fuel tank skid. Some kits add a rear differential skid. CBI Offroad and ASFIR kits cover all four areas. Prinsu's kit is priced lower but covers the oil pan and transfer case — verify fuel tank coverage before ordering if you're doing rocky terrain where the rear tank is exposed.
Material choice is steel vs aluminum. Steel (3/16" to 1/4") is heavier but more impact-resistant — it dents but doesn't crack. Aluminum (1/4" to 3/8") is lighter and resists corrosion better, but a sharp rock strike at speed can crack aluminum skids in a way steel won't. For dedicated trail use with rock impacts, steel is the more reliable choice. For overland use where the primary concern is high-centering on rocks, aluminum is a reasonable compromise at lower weight.
Front crossmember gussets are a detail worth checking. The Tacoma's front crossmember is a known weak point under heavy off-road use — it can crack at the welds. Some skid kits include reinforcing gussets that tie into the crossmember mounting. CBI and ASFIR kits include this feature; Prinsu's does not. If you're doing serious trail work, the crossmember gusset is worth paying for.
Steps
- Lift and support vehicle on jack stands at the frame rails; provide clearance to work under the truck
- Remove OEM factory skid plate(s) — typically 3–4 bolts per piece
- Clean mounting surfaces of rust or debris
- Test-fit each new skid section dry before drilling any new holes
- Install front crossmember gussets first if included — these bolt to the existing crossmember hardware
- Install front oil pan skid; use existing OEM holes where possible, drill new holes per template if required
- Install transmission/transfer case skid — typically the largest and heaviest piece; use a floor jack as a helper to hold it up while starting bolts
- Install fuel tank skid, ensuring it clears the tank straps and fuel fill neck
- Apply anti-seize to all hardware to prevent galvanic corrosion between steel skid and aluminum frame components
- Torque all fasteners to spec; verify no contact with moving drivetrain components by turning driveshafts by hand
- Lower vehicle and do a slow test roll to confirm no noise from skid contact
Why it works
- Full kit covers all major underbody components in a single purchase
- 3/16" steel will take direct rock strikes that would destroy the factory skids
- Crossmember gussets (on CBI and ASFIR kits) address a known Tacoma weak point
- Skids act as a controlled slide surface on rocks — the truck glides over obstacles instead of snagging
- Bolt-on installation with no welding required
Trade-offs
- Full steel kit adds 60–100 lbs of underbody weight
- Aluminum kits are lighter but can crack under sharp rock impact — verify material before ordering
- Some kits do not cover the fuel tank or rear differential — read coverage descriptions carefully
- Prinsu kit is the most affordable but may require drilling new mounting holes that void OEM frame warranty
- Ground clearance is reduced slightly by skid thickness — typically 1/4"–3/8" depending on skid design
Tools required
- floor jack
- jack stands
- socket set
- torque wrench
- drill and bits
Parts
| Part | Vendor | Est. price |
|---|---|---|
| CBI Offroad Tacoma Full Skid Plate Kit (2005-2023) | CBI Offroad | ~$699 |
| ASFIR Full Underbody Skid Kit (Tacoma 2016-2023) | ASFIR | ~$799 |
| Prinsu Design Studio Tacoma Skid Plate Kit | Prinsu Design Studio | ~$499 |
| DRT Offroad Tacoma Full Skid System | DRT Offroad | ~$599 |
Sources
Related
- Steel Front Bumper for the Tacoma
- Rock Sliders and Frame Rails for the Tacoma
- All Toyota Tacoma guides & tools
- Browse the full DIY database
Written and maintained by an AZ wheeler and driveway wrencher. How we source guides. Always cross-reference your factory service manual — modifications affect vehicle safety and warranty. Work at your own risk.