1. Boat Trailer Parts For Sale
  2. sku: 5443564307405752
  3. KNOTT 00173-SP1

KNOTT Karavan Trailer Hub Dust Caps 203-00173-SP1

203-00173-sp1 Knott 00173-sp1 Karavan Trailer Hub Dust Caps

( Brand: Knott ), ( Manufacturer Part Number: 00173-SP1 ), ( Part Type: Dust Trailer Hub Cap ), ( Country Of Origin: Germany )

Review KNOTT Karavan Trailer Hub Dust Caps

The **Knott 00173-SP1 Karavan Trailer Hub Dust Caps (Part Number: 203-00173-SP1)** are precision-engineered protective components designed specifically for heavy-duty trailer applications, ensuring optimal performance and longevity for your Karavan-branded axle assemblies. These high-quality rubber dust caps serve as a critical barrier against dirt, debris, moisture, and road grime, preventing premature wear on the axle seals and bearings while maintaining a clean, functional wheel hub environment. Crafted from durable, weather-resistant rubber, these dust caps are engineered to withstand the rigors of frequent travel, heavy loads, and varying weather conditions, offering reliable protection year-round. Their snug, interference-fit design ensures a secure seal around the axle spindle, minimizing the ingress of contaminants that could compromise the integrity of the wheel bearings and internal axle components. Whether you re hauling cargo, towing a recreational vehicle, or navigating rough terrain, these dust caps help preserve the efficiency and lifespan of your trailer s suspension system, reducing the risk of costly repairs and downtime. The 203-00173-SP1 model is a direct-fit replacement, compatible with Karavan s standard axle configurations, making it an essential accessory for maintaining smooth operation and structural integrity in your trailer s wheel assembly.

### **Pros and Cons of Buying Knott 00173-SP1 Karavan Trailer Hub Dust Caps (203-00173-SP1)**

#### **Pros:**

1. **Compatibility** These dust caps are specifically designed for Karavan trailers, ensuring a proper fit with the hubs on models that require this part. This reduces the risk of misalignment or improper installation, which could lead to damage or safety issues.

2. **Durability** High-quality rubber or plastic dust caps are built to withstand exposure to road debris, moisture, and minor impacts, helping to protect the wheel bearings and hubs from contaminants that could cause premature wear or corrosion.

3. **Easy Installation** Since they are a direct replacement part, they should fit easily without requiring modifications. Most dust caps snap or press onto the hub, making them straightforward to install even for those with basic mechanical skills.

4. **Cost-Effective Protection** Compared to the potential cost of replacing damaged wheel bearings or hubs due to lack of protection, these dust caps offer a low-cost preventive measure to extend the lifespan of your trailer s wheels.

5. **Availability** As an OEM (Original Equipment Manufacturer) or high-quality aftermarket part, they are likely readily available from trailer supply stores, online retailers, or directly from Karavan dealers, reducing lead times.

6. **Maintenance Convenience** Dust caps make it easier to inspect and lubricate wheel bearings, as they can be removed cleanly without damaging surrounding components.

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#### **Cons:**

1. **Limited Use Case** These caps are only necessary for trailers with exposed hubs that lack built-in seals. If your Karavan model already has integrated dust covers or seals, these caps may be redundant and unnecessary.

2. **Potential Wear Over Time** While durable, rubber or plastic dust caps can degrade from UV exposure, extreme temperatures, or physical abrasion. They may need replacement periodically, adding to long-term maintenance costs.

3. **Misalignment Risk (If Not Fitted Correctly)** If the caps are not installed properly (e.g., uneven pressure or improper orientation), they could become loose or fall off, defeating their purpose. This requires careful handling during installation.

4. **Cost for Non-OEM Models** If your trailer is a custom or non-standard model, these caps might not fit perfectly, requiring additional modifications or the purchase of alternative parts, which could increase expenses.

5. **Subjective Necessity** Some trailer owners argue that modern trailers with sealed hubs or high-quality bearings do not require additional dust caps, as the existing seals provide adequate protection. In such cases, the purchase may be seen as unnecessary.

6. **Potential for Counterfeit Parts** Purchasing from untrusted sellers (especially online marketplaces) could result in receiving low-quality or fake parts that fail prematurely, leading to frustration and additional costs.

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### **Conclusion:**

The **Knott 00173-SP1 Karavan Trailer Hub Dust Caps (203-00173-SP1)** are a practical and cost-effective solution for protecting the wheel bearings of compatible Karavan trailers. They offer **durability, ease of installation, and compatibility**, making them a sound investment for owners who prioritize preventive maintenance. However, their necessity depends on your trailer s specific design if your model already has adequate sealing, the caps may not provide additional benefit.

For most standard Karavan trailers with exposed hubs, these caps are **highly recommended** to prevent dirt, moisture, and debris from damaging the wheel bearings. If you re unsure whether your trailer requires them, consult the owner s manual or a trailer specialist to confirm compatibility.

### **Recommendation:**

- **Buy if:** Your Karavan trailer model lacks built-in hub seals and you want to extend the life of your wheel bearings with minimal maintenance.

- **Skip if:** Your trailer already has integrated dust covers or seals, or if you re unsure about the fit and want to avoid unnecessary expenses.

- **Purchase from:** Authorized dealers, reputable online retailers (e.g., RockAuto, Trailer Supply), or Karavan-approved suppliers to ensure authenticity and quality. Always verify the part number matches your trailer s requirements.

Details:

These came from the Karavan factory since you cant buy directly Knott to best of my knowledge. All are stored in a climate controlled parts room to prevent deterioration. The part number for this is 203-00173-SP1, 00173-SP1, or sometimes just 00173sp1. They measure in at 2 5/16 across.

This is a Genuine OEM Karavan Knott part NOT cheap Chinese aftermarket replacement. These are the dust caps that fit MANY boat, utility, and camper trailers with Knott branded torsion axles. I think there is a special tool for installation but not sure. These are very expensive from the factory and by time they shipped to me even more.

Listed here is a NEW Knott Branded Trailer Dust Cap sold under the Karavan brand. Seen mostly on Karavan trailers but I have also seen them others including Coyote, Titan, etc.

part #: 00173sp1 price

  • $30.00

specifications traiparboa:

  • brand: Knott
  • mpn: 00173-sp1
  • part type: Dust Trailer Hub Cap
  • country of origin: Germany

payments traiparboa:

  • credit card: Visa
  • other
  • wallet: Apple-pay

seller traiparboa:

  • # reviews: 871
  • rating: 100.0%
  • city: Oviedo, Florida

offer traiparboa:

  • options: Ship-to-home
  • quantity: 10
  • availability: In Stock
  • sold: 0
  • started: May 13, 2026

shipping traiparboa:

  • service: USPS Ground Advantage
  • cost: $0.00
  • carrier: USPS
  • class: Standard
  • type: Fixed
  • transit: 5-10 Days

general traiparboa:

  • Parts Accessories > Boat Parts > Trailer Parts
  • condition: New other see details

returns traiparboa:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller
part type: dust trailer hub cap, country of origin: germany,
category: boat parts > trailer parts, sku: 5443564307405752,
Knott 00173-SP1 Is Similar To:
traiparboa logo
1 offer $30.00 USD
  • New other (see details). Offer #1 priced at $30.00 + $0.00 shipping estimate = $30.00* total. I think there is a special tool for installation but not sure. ORDER IS FOR ONE SINIGLE CAP NOT ALL PICTURED.FREE SHIPPING

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