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SALES@FORKLIFTTIRE.COMForklift Tire Parts — Inner Tubes, Liner Flaps & O-Rings
Shop replacement inner tubes, liner flaps, and O-rings for pneumatic forklift tires and multi-piece wheel assemblies. These are the components required to properly install and service tube-type pneumatic tires on forklifts and industrial equipment. Every part must match the tire size and valve configuration used on your machine.
Shop by Part Type
Inner Tubes
Replacement tubes that hold air pressure inside pneumatic forklift tires. Available in all common forklift sizes with multiple valve stem configurations.
Liner Flaps
Protective rubber flaps placed between the inner tube and the wheel rim. Flaps prevent tube damage from rim edges, bolt heads, and friction during operation.
O-Rings
Sealing rings used in multi-piece and serviceable wheel assemblies. O-rings maintain an airtight seal between wheel components on split-rim and lockring setups.
Save 7.5% on 2–3 items | Save 15% on 4+ items — automatic discount in cart.
Free ground freight to commercial addresses in the contiguous U.S.
Why These Parts Matter
Tube-type pneumatic forklift tires require the correct combination of tire + inner tube + liner flap to perform safely. A missing or worn flap allows the tube to contact bare metal rim edges, causing premature tube failure. A wrong-size tube will not seat properly and can fail under pressure. O-rings that have lost their seal allow air to escape through the wheel halves. Replacing all three components during a tire change is the most reliable way to avoid repeat service calls.
Important: When replacing a pneumatic forklift tire, always inspect the inner tube, liner flap, and O-ring. Reusing worn components with a new tire is a common cause of premature failure and air loss.
Valve Stem Types
Inner tubes are available with different valve stem configurations. The correct stem type depends on your wheel design and tire application. Use the sidebar filter to narrow by valve stem.
| Valve Stem | Description |
|---|---|
| TRJS2 | Short metal stem — standard for many forklift inner tubes |
| TR-75A / TR440 | Bent metal stem — common on larger forklift and industrial tires |
| TR218A | Straight metal stem with threaded base |
| TR220A | Straight metal stem — alternate thread configuration |
| TRJ1175C | Large-bore stem for OTR and heavy industrial tubes |
| TR13 / TR15CW | Snap-in rubber stems — used on smaller tires and light-duty applications |
If you are unsure which valve stem your wheel requires, check the stem on your current tube or contact us with your tire size and wheel type.
Common Inner Tube Sizes
We stock forklift inner tubes in the most common pneumatic tire sizes:
5.00-8 6.00-9 6.50-10 7.00-12 7.50-10 8.15-15 (28x9-15) 8.25-15 12.00-20
Ordering the Right Parts for Your Tire Change
When replacing a tube-type pneumatic forklift tire, the complete installation typically requires three components:
1. Pneumatic tire (outer casing) 2. Inner tube (matched to tire size and valve type) 3. Liner flap (matched to tire size)
O-rings may also be needed if your wheel uses a multi-piece or serviceable design. If you are ordering a pneumatic tire from our Resilient Solid & Pneumatic Tires category, check whether the listing includes the tube and flap or whether they need to be ordered separately.
Before You Order
Confirm your tire size, valve stem type, and wheel configuration before ordering. Parts must match your exact tire and wheel setup — equipment make alone does not confirm compatibility. If you are unsure which parts you need, contact our team or call 1 (866) 313-2180 with your tire size and forklift model.
Verify exact tire size and fitment before ordering.
Frequently Asked Questions
Do I need to replace the inner tube and flap when I replace a pneumatic tire?
It is strongly recommended. Reusing a worn tube or flap with a new tire is a common cause of premature failure. The tube may have weak spots from use, and the flap may have wear marks from rim contact. Replacing all three components together is the most reliable approach.
How do I know which valve stem type I need?
Check the valve stem on your current inner tube — the part number is usually stamped on the base of the stem. Common forklift stems include TRJS2 (short metal), TR-75A (bent metal), and TRJ1175C (large-bore). You can also use the sidebar filter on this page to narrow by valve stem type.
What is a liner flap and why does it matter?
A liner flap is a rubber strip placed between the inner tube and the wheel rim. It prevents the tube from contacting metal edges, bolt heads, and rim surfaces that can cut or wear through the tube during operation. Without a flap, tube life is significantly shortened.
Do all pneumatic forklift tires require a tube and flap?
Tube-type pneumatic tires do — they require both an inner tube and a liner flap. Tubeless tires (less common on forklifts) seal directly against the rim and do not use a tube. Check whether your tire is tube-type (marked "TT") or tubeless (marked "TL") before ordering.
What are O-rings used for?
O-rings create an airtight seal between the components of multi-piece or serviceable wheels. On split-rim and lockring setups, the O-ring prevents air from escaping between the wheel halves. If you notice air loss that is not caused by a tube puncture, a worn O-ring is a likely cause.
Is shipping included?
Free ground freight is included for deliveries to commercial addresses in the contiguous U.S. Residential delivery and liftgate services are available at checkout for an additional fee.