What You're Actually Buying
This is a push-on wheel cover, not a threaded cap. It snaps over the 33mm nut and stays put with friction and a little tension in the metal - no bolts, no adapters. Freightliner and Peterbilt both spec this size on a lot of their steer and drive axle setups, which is why one cap covers both nameplates.
These aren't decorative in the 'look nice' sense only - they keep grease, road grime, and moisture off the lug nuts so you're not fighting corrosion next time you're in there for a tire change. Cheap part, saves you swearing at a rusted nut six months later.
Why All Those Numbers Cross to FLG010
PHL12010, R11450, SMR13781, SMRS10045, TEC1011, VEL035038 - these are all different manufacturers making essentially the same 33mm push-on cap because the demand is universal across fleets running Freightliner and Pete axles. Different part numbers, same pocket depth and same nut size fit.
Where guys get burned is assuming '33mm' always means the same thing across every truck and every wheel package. Some axles run a slightly different flange depth or the cap has a shallower reach that won't seat right over certain lug nut styles. Before you order six of these for the yard, pull one of your old caps off and measure the nut size yourself, or check the number stamped on it if there is one.
Ordering From PartStop
We're in Tacoma and we keep these in stock because Freightliners and Petes are half of what rolls through our lot. Local guys can grab a set same-day - walk in, walk out, back on the truck before lunch.
Ship nationwide too, and these are light enough that shipping doesn't kill the deal. Comes with our 6+ month warranty, so if a cap doesn't seat right or cracks early, we'll sort it out. Just confirm your nut size and VIN before you order - saves everybody a return shipment.
FLG010 Cross-Reference & Interchange Numbers
These manufacturer and aftermarket numbers commonly cross-reference to FLG010. Use them to identify the part — then confirm the exact fit by VIN or the number stamped on your old unit before you order. An interchange is a starting point, not a fitment guarantee.
| Brand / Line | Cross-Reference Numbers |
|---|---|
| Cross-Reference | PHL12010, R11450, SMR13781, SMRS10045, TEC1011, VEL035038 |
Frequently asked questions
Does R11450 fit my Peterbilt 379?
Likely yes if your 379 runs 33mm lug nuts, but confirm by measuring the nut or checking the number on your old cap first - some 379 configurations use different hub setups depending on axle and rim manufacturer.
Is this the same as the SMR13781?
Functionally, yes - both are 33mm push-on caps that cross to the same fitment. Different brand stamping, same nut size and seating depth as far as our cross-reference shows. Confirm by your old part number if you've got it.
Will this fit steel wheels or just aluminum?
These are made for standard 33mm lug nuts regardless of wheel material, but double-check your nut size before ordering since some aluminum wheel setups use flange nuts that sit differently than steel wheel hardware.
Not sure it fits? We check before you pay.
Run your VIN and we’ll match parts to your exact truck, or call the counter — a person who knows trucks verifies fitment by OEM number before the order ships. No wrong-box returns.
More cross-reference guides
Need the part, not just the reading?
Every part below is a Premium Quality aftermarket Direct Replacement with published OEM cross-reference numbers, a 6+ month warranty and same-business-day shipping from Tacoma, WA. Not sure it fits? Run your VIN — or call and a person who knows trucks will verify fitment before you pay.