--- title: "trailer hub cap — Niche Verdict: Skip it (49/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/automotive/trailer-hub-cap" last_updated: "2026-07-10T01:39:56.942Z" locale: en meta: description: "a small market ($331K/yr) — trailer hub cap doesn't clear our bar today." "og:description": "a small market ($331K/yr) — trailer hub cap doesn't clear our bar today." "og:title": "trailer hub cap — Niche Verdict: Skip it (49/100) | Amazon United States - Flapen" --- Back to Flapen home # **trailer hub cap** **Skip it****49/100 ** a small market ($331K/yr) — trailer hub cap doesn't clear our bar today. **Market/yr** **$331K** **Growth (1y)** **+156.5%** **Products** **28** **Brands** **17** was 19 a year ago **Sellers** **41** **Price range** **$5.18–$42.35** **Returns** **2.6%** **Rating** **4.6★** **Skip it** Scored 49/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **17** ×0.30 Growth **72** ×0.30 Competition **57** ×0.20 Quality gap **31** ×0.10 Returns **79** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +156.5% year over year. 7K3KSpike '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: May, Jun, Aug · busiest ÷ quietest = 3.3× ## **Competition** - Bearing Buddy29% - GREPSPUD12% - iBroPrat12% - SUNCARACCL12% - JDMSPEED8% - FDXGYH6% - Other (11 brands)20% The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them. 17 brands and 41 sellers compete here. **Brands** **17 **▼falling was 19 a year ago **Sellers** **41** **Top 5 brand share** **74%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Bearing Buddy Bra 19B - 1 Pair USA-Made Black Vinyl Covers - Protects and Keeps Grease Off the Trailer Wheels - Fits Models: 1980 1980A 1938 1968 2047 2080 & 2080T](https://m.media-amazon.com/images/I/311+d-ak9DL.jpg) [**Bearing Buddy Bra 19B - 1 Pair USA-Made Black Vinyl Covers - Protects and Keeps Grease Off the Trailer Wheels - Fits Models: 1980 1980A 1938 1968 2047 2080 & 2080T**](https://www.amazon.com/dp/B000LC87V6) Bearing Buddy$8.474.7★3,82719%▲rising 2 ![SUNCARACCL 4 Pack Trailer Hub Cap Rubber Plugs Fits 1.98 Inch Trailer Hub Dust Caps Rubber Grease Plug for Most 2000 to 3500 Pound Dexter EZ Lube Trailer Camper Axle](https://m.media-amazon.com/images/I/41KaVrqfI3L.jpg) [**SUNCARACCL 4 Pack Trailer Hub Cap Rubber Plugs Fits 1.98 Inch Trailer Hub Dust Caps Rubber Grease Plug for Most 2000 to 3500 Pound Dexter EZ Lube Trailer Camper Axle**](https://www.amazon.com/dp/B0B8GSYV3T) SUNCARACCL$5.444.6★62312%▲rising 3 ![iBroPrat 2pcs Trailer Axle Dust Cap Cup Grease Cover 1.98 Hub with Extra 2 Rubber Plugs Trailer Axle Wheel Hub and Bearing Dust Cap for Most 2000 to 3500 Pound Axles Dexter](https://m.media-amazon.com/images/I/41ID7eSxnpL.jpg) [**iBroPrat 2pcs Trailer Axle Dust Cap Cup Grease Cover 1.98 Hub with Extra 2 Rubber Plugs Trailer Axle Wheel Hub and Bearing Dust Cap for Most 2000 to 3500 Pound Axles Dexter**](https://www.amazon.com/dp/B09QC9QRNJ) iBroPrat$7.974.4★9048%▼falling 4 ![GREPSPUD 4pcs 1.98 Trailer Hub Dust Caps Trailer Spindle Bearing Dust Cap Cup Grease Cover Caps & Extra Rubber Plugs for 2000 to 3500 lb Boat Trailer Dexter EZ Lube Trailer Camper RV Axle](https://m.media-amazon.com/images/I/41UOFFp56dL.jpg) [**GREPSPUD 4pcs 1.98 Trailer Hub Dust Caps Trailer Spindle Bearing Dust Cap Cup Grease Cover Caps & Extra Rubber Plugs for 2000 to 3500 lb Boat Trailer Dexter EZ Lube Trailer Camper RV Axle**](https://www.amazon.com/dp/B09YHD76N8) GREPSPUD$9.914.6★1,4286%▼falling 5 ![FDXGYH 4 Pcs 1.98-Inch Bearing Bars Cover Bearing Rubber Caps Trailer Wheel Hub Dust Covers Replacement Bearing Protector (Black)](https://m.media-amazon.com/images/I/41PrlBUaYbL.jpg) [**FDXGYH 4 Pcs 1.98-Inch Bearing Bars Cover Bearing Rubber Caps Trailer Wheel Hub Dust Covers Replacement Bearing Protector (Black)**](https://www.amazon.com/dp/B0BLCBV8T4) FDXGYH$8.954.5★2756%▼falling 6 ![Bearing Buddy 1980 - USA-Made Chrome Plated Wheel Bearing Protectors w/ 19B Bra - Trailer Hub Dust Cap Replacement for Boats ATVs Utility Trailers & More - Only Fits Hubs w/a 1.980 Inside Diameter](https://m.media-amazon.com/images/I/41G58mvFxPL.jpg) [**Bearing Buddy 1980 - USA-Made Chrome Plated Wheel Bearing Protectors w/ 19B Bra - Trailer Hub Dust Cap Replacement for Boats ATVs Utility Trailers & More - Only Fits Hubs w/a 1.980 Inside Diameter**](https://www.amazon.com/dp/B01D4ZKQNS) Bearing Buddy$29.354.8★1,2315%▲rising 7 ![iBroPrat 4PCS 1.98 Trailer Hub Cap Trailer Axle Bearing Dust Cap Cup Grease Cover with 8 Rubber Plugs Bolt Metal Trailer Axle Wheel Bearing and Hub Dust Caps for Most 2000 to 3500 Pound Axles Dexter](https://m.media-amazon.com/images/I/41Vv+lPNEbL.jpg) [**iBroPrat 4PCS 1.98 Trailer Hub Cap Trailer Axle Bearing Dust Cap Cup Grease Cover with 8 Rubber Plugs Bolt Metal Trailer Axle Wheel Bearing and Hub Dust Caps for Most 2000 to 3500 Pound Axles Dexter**](https://www.amazon.com/dp/B09QCJ84V4) iBroPrat$9.964.4★4444%—flat 8 ![4pcs 1.98 Trailer Axle Dust Cap Cup Grease Cover Hub with Extra 4 Rubber Plugs for Most 2000 to 3500 Pound Axles Dexter Trailer Dexter EZ Lube Trailer Camper RV Boat Hub Cap 1.98 inch](https://m.media-amazon.com/images/I/41GU+M-L39L.jpg) [**4pcs 1.98 Trailer Axle Dust Cap Cup Grease Cover Hub with Extra 4 Rubber Plugs for Most 2000 to 3500 Pound Axles Dexter Trailer Dexter EZ Lube Trailer Camper RV Boat Hub Cap 1.98 inch**](https://www.amazon.com/dp/B0C5HX4SH8) JDMSPEED$11.814.7★4374%▼falling 9 ![4pcs 2.72 Trailer Axle Wheel Hub and Bearing Dust Cap with Extra 4 Rubber Plugs for Most 7000-8000 lb Wheel Hubs Trailer Dexter EZ Lube Camper RV Bearing Dust Cap](https://m.media-amazon.com/images/I/41F7QubU-YL.jpg) [**4pcs 2.72 Trailer Axle Wheel Hub and Bearing Dust Cap with Extra 4 Rubber Plugs for Most 7000-8000 lb Wheel Hubs Trailer Dexter EZ Lube Camper RV Bearing Dust Cap**](https://www.amazon.com/dp/B0C5HWKN6T) JDMSPEED$15.834.7★2253%—flat 10 ![2-Inch Rubber Wheel Hub Trailer Bearing Dust Cap Plug Grease Cover (2 Pack)](https://m.media-amazon.com/images/I/313l71quj-L.jpg) [**2-Inch Rubber Wheel Hub Trailer Bearing Dust Cap Plug Grease Cover (2 Pack)**](https://www.amazon.com/dp/B0DC819RKG) Wrapco$6.134.4★1453%▲rising 11 ![KLMHT (10- Pack) Grease Plug Hub Dust Caps Fits for Dexter EZ Lube Trailer Camper Axle](https://m.media-amazon.com/images/I/41NfWcia58L.jpg) [**KLMHT (10- Pack) Grease Plug Hub Dust Caps Fits for Dexter EZ Lube Trailer Camper Axle**](https://www.amazon.com/dp/B08LBFG3NT) KLMHT$8.024.7★6123%▲rising 12 ![COMVERIX 1.98 Trailer Hub Caps (4PCS) with Rubber Plugs & Installation Tool Snug-Fit Rust-Resistant Bearing Dust Caps for 2000-3500 lb Axles Protects Trailer Hubs from Dirt and Moisture](https://m.media-amazon.com/images/I/41OqQccm0-L.jpg) [**COMVERIX 1.98 Trailer Hub Caps (4PCS) with Rubber Plugs & Installation Tool Snug-Fit Rust-Resistant Bearing Dust Caps for 2000-3500 lb Axles Protects Trailer Hubs from Dirt and Moisture**](https://www.amazon.com/dp/B0DJHTRKPC) COMVERIX$10.774.4★1442%—flat 13 ![AIUWIZO 1.98 Trailer Axle Dust Cap Cup 4PCS Grease Caps with 4 Extra Rubber Plugs Trailer Hub Bearing Dust Cap for 2000-3500 lb Trailers Axle Wheel Hub](https://m.media-amazon.com/images/I/51jG5of5BdL.jpg) [**AIUWIZO 1.98 Trailer Axle Dust Cap Cup 4PCS Grease Caps with 4 Extra Rubber Plugs Trailer Hub Bearing Dust Cap for 2000-3500 lb Trailers Axle Wheel Hub**](https://www.amazon.com/dp/B0G1MYHYDQ) AIUWIZO$7.314.8★372%▲rising 14 ![GREPSPUD 4pcs 1.98 Trailer Axle Dust Caps Trailer Hub Bearing Dust Cap Cup Wheel Center Grease Cover Caps for 2000-3500 lbs Boat Trailer Dexter EZ Lube Trailer Camper RV](https://m.media-amazon.com/images/I/410SJyX5kwL.jpg) [**GREPSPUD 4pcs 1.98 Trailer Axle Dust Caps Trailer Hub Bearing Dust Cap Cup Wheel Center Grease Cover Caps for 2000-3500 lbs Boat Trailer Dexter EZ Lube Trailer Camper RV**](https://www.amazon.com/dp/B0CHRQSCGC) GREPSPUD$9.934.6★8822%▼falling 15 ![Trailer Hub Cap Plugs Grease Rubber Plugs for 1.98/2.44/2.72 Trailer Axle Cap Trailer Dust Bearing Cap Cup for Most 2000 to 3500 Pound Trailer RV Camper Wheel Cover Axle 4 Pcs](https://m.media-amazon.com/images/I/31rE1etnsaL.jpg) [**Trailer Hub Cap Plugs Grease Rubber Plugs for 1.98/2.44/2.72 Trailer Axle Cap Trailer Dust Bearing Cap Cup for Most 2000 to 3500 Pound Trailer RV Camper Wheel Cover Axle 4 Pcs**](https://www.amazon.com/dp/B0F1LSX6CY) RXALASKA$5.184.7★1992%▼falling **~~Showing 15 of 28 — show all ~~** ## **Product shelf** All 28 tracked products in this niche. Top sellersNewestTrending [![Bearing Buddy Bra 19B - 1 Pair USA-Made Black Vinyl Covers - Protects and Keeps Grease Off the Trailer Wheels - Fits Models: 1980 1980A 1938 1968 2047 2080 & 2080T](https://m.media-amazon.com/images/I/311+d-ak9DL.jpg)**Bearing Buddy Bra 19B - 1 Pair USA-Made Black Vinyl Covers - Protects and Keeps Grease Off the Trailer Wheels - Fits Models: 1980 1980A 1938 1968 2047 2080 & 2080T** Bearing Buddy**$8.47**4.7★3,827 reviews](https://www.amazon.com/dp/B000LC87V6) [![SUNCARACCL 4 Pack Trailer Hub Cap Rubber Plugs Fits 1.98 Inch Trailer Hub Dust Caps Rubber Grease Plug for Most 2000 to 3500 Pound Dexter EZ Lube Trailer Camper Axle](https://m.media-amazon.com/images/I/41KaVrqfI3L.jpg)**SUNCARACCL 4 Pack Trailer Hub Cap Rubber Plugs Fits 1.98 Inch Trailer Hub Dust Caps Rubber Grease Plug for Most 2000 to 3500 Pound Dexter EZ Lube Trailer Camper Axle** SUNCARACCL**$5.44**4.6★623 reviews](https://www.amazon.com/dp/B0B8GSYV3T) [![iBroPrat 2pcs Trailer Axle Dust Cap Cup Grease Cover 1.98 Hub with Extra 2 Rubber Plugs Trailer Axle Wheel Hub and Bearing Dust Cap for Most 2000 to 3500 Pound Axles Dexter](https://m.media-amazon.com/images/I/41ID7eSxnpL.jpg)**iBroPrat 2pcs Trailer Axle Dust Cap Cup Grease Cover 1.98 Hub with Extra 2 Rubber Plugs Trailer Axle Wheel Hub and Bearing Dust Cap for Most 2000 to 3500 Pound Axles Dexter** iBroPrat**$7.97**4.4★904 reviews](https://www.amazon.com/dp/B09QC9QRNJ) [![GREPSPUD 4pcs 1.98 Trailer Hub Dust Caps Trailer Spindle Bearing Dust Cap Cup Grease Cover Caps & Extra Rubber Plugs for 2000 to 3500 lb Boat Trailer Dexter EZ Lube Trailer Camper RV Axle](https://m.media-amazon.com/images/I/41UOFFp56dL.jpg)**GREPSPUD 4pcs 1.98 Trailer Hub Dust Caps Trailer Spindle Bearing Dust Cap Cup Grease Cover Caps & Extra Rubber Plugs for 2000 to 3500 lb Boat Trailer Dexter EZ Lube Trailer Camper RV Axle** GREPSPUD**$9.91**4.6★1,428 reviews](https://www.amazon.com/dp/B09YHD76N8) [![FDXGYH 4 Pcs 1.98-Inch Bearing Bars Cover Bearing Rubber Caps Trailer Wheel Hub Dust Covers Replacement Bearing Protector (Black)](https://m.media-amazon.com/images/I/41PrlBUaYbL.jpg)**FDXGYH 4 Pcs 1.98-Inch Bearing Bars Cover Bearing Rubber Caps Trailer Wheel Hub Dust Covers Replacement Bearing Protector (Black)** FDXGYH**$8.95**4.5★275 reviews](https://www.amazon.com/dp/B0BLCBV8T4) [![Bearing Buddy 1980 - USA-Made Chrome Plated Wheel Bearing Protectors w/ 19B Bra - Trailer Hub Dust Cap Replacement for Boats ATVs Utility Trailers & More - Only Fits Hubs w/a 1.980 Inside Diameter](https://m.media-amazon.com/images/I/41G58mvFxPL.jpg)**Bearing Buddy 1980 - USA-Made Chrome Plated Wheel Bearing Protectors w/ 19B Bra - Trailer Hub Dust Cap Replacement for Boats ATVs Utility Trailers & More - Only Fits Hubs w/a 1.980 Inside Diameter** Bearing Buddy**$29.35**4.8★1,231 reviews](https://www.amazon.com/dp/B01D4ZKQNS) [![iBroPrat 4PCS 1.98 Trailer Hub Cap Trailer Axle Bearing Dust Cap Cup Grease Cover with 8 Rubber Plugs Bolt Metal Trailer Axle Wheel Bearing and Hub Dust Caps for Most 2000 to 3500 Pound Axles Dexter](https://m.media-amazon.com/images/I/41Vv+lPNEbL.jpg)**iBroPrat 4PCS 1.98 Trailer Hub Cap Trailer Axle Bearing Dust Cap Cup Grease Cover with 8 Rubber Plugs Bolt Metal Trailer Axle Wheel Bearing and Hub Dust Caps for Most 2000 to 3500 Pound Axles Dexter** iBroPrat**$9.96**4.4★444 reviews](https://www.amazon.com/dp/B09QCJ84V4) [![4pcs 1.98 Trailer Axle Dust Cap Cup Grease Cover Hub with Extra 4 Rubber Plugs for Most 2000 to 3500 Pound Axles Dexter Trailer Dexter EZ Lube Trailer Camper RV Boat Hub Cap 1.98 inch](https://m.media-amazon.com/images/I/41GU+M-L39L.jpg)**4pcs 1.98 Trailer Axle Dust Cap Cup Grease Cover Hub with Extra 4 Rubber Plugs for Most 2000 to 3500 Pound Axles Dexter Trailer Dexter EZ Lube Trailer Camper RV Boat Hub Cap 1.98 inch** JDMSPEED**$11.81**4.7★437 reviews](https://www.amazon.com/dp/B0C5HX4SH8) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Size-Overall**39% *“Correct fit”* **Quality-Overall**21% *“GREAT QUALITY”* **Advertised Vs Actual Product**9% *“As advertised”* **Value For Money**7% *“Great value”* **Assembly/Installation**5% *“Easy install”* **Efficiency**2% *“works well”* **Ease Of Use**2% *“Easy to use”* **Lubrication**2% *“Keeps grease off wheels”* **Durability**1% *“Durability is good”* **Strength**1% *“Solid build”* ### **What buyers complain about ** **Size-Overall**39% *“Too big”* **Quality-Overall**9% *“Pure junk”* **Assembly/Installation**9% *“After a half an hour of screwing around trying to get these installed”* **Ease Of Use**6% *“Sometimes they can be kind of hard to get in”* **Durability**5% *“the cover popped off”* **Hard Feel**3% *“Go on hard”* **Value For Money**3% *“Little pricey i couldn't find anywhere in my area”* **Bass**2% *“Dont waste your money bass pro has some for 20”* **Compatibility-Overall**2% *“Does not fit Dexter 3500lb ez lube hub 008-248-05”* **Mounting**2% *“Would not go into the hub”* #### **Top return reasons**- Size-Overall84% - Advertised Vs Actual Product4% - Compatibility-Overall4% - Defective Material/Parts2% - Functionality-Overall1% - Value For Money1% - Assembly/Installation1% - Wheel Quality1% - Width1% - Quality-Overall1%