CLASSIC
- Traditonal design
- Replace Stemco 343 series
- Plug easily removed/install
SHIELD
- Innovative design
- 3 spoke cover protection
- Plug easily removed/install
SHIELD PREMIUM
- Water/dirt proof plug
- 3 spoke cover protection
- Tamper-proof
P.S.I
- Compatible with P.S.I
- Vent tubes embedded
- Pefect sealing
DEFENDER
- Robust cover protection
- Logo can be printed
- Tamper-proof
DEFENDER PREMIUM
- Robust cover protection
- Logo can be cast
- Water/dirt proof plug
SFD hubcaps for your trailer axles
High pressure die cast aluminum alloy
400 Ton die cast alloy to ensure alloy strength. Thickened flange to avoid leakage. Vibration polishing to make surface hard to get scratched
Oil compatible transparent window
EMS TR55 Nylon window is compatible with lube oil and UV resistant. Far more superior than cheap PC plastics which is not compatible with oil and turns yellow after exposing to sunshine.
Premium NBR
Rubber vent plugs is made from customized premium NBR. Classic vent plug can be red or blue. Shield plug has specified vent pressure. Premium vent plug has specified outbound and inbound vent pressure.
Water resistant and dirt exclusion vent
Premium plug has a membrane embedded that can vent air but block water and dirt. It’s perfectly water resistant within acceptable water depth.