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Alpha 53 Gallon RV Holding Tank - Premium OEM Black Water Waste Tank (466BLANK)
The Alpha 466BLANK 53-gallon holding tank is the industry-leading solution for RV black water and waste management. Measuring 56" x 30" x 8 3/4", this OEM-quality rotomolded holding tank is the exact same tank used by major RV manufacturers in new builds, ensuring perfect compatibility and proven reliability for your RV waste system.
Why Choose This Alpha RV Holding Tank?
When you need a replacement RV holding tank that won't fail, the Alpha 466BLANK delivers professional-grade performance. This isn't an aftermarket imitation - it's the genuine OEM holding tank trusted by RV manufacturers nationwide. Every tank undergoes rigorous leak testing before shipping, so you can install with complete confidence.
Key Benefits & Features
- 100% Genuine OEM Quality: Factory-direct Alpha Systems holding tank - the same tank installed in new RVs by major manufacturers
- Superior Rotomolded Construction: Seamless one-piece design eliminates weak points and potential leak areas found in welded tanks
- 53 Gallon Capacity: Ample waste storage for extended trips without frequent dumping
- Leak-Tested Guarantee: Every single tank is individually submerged and pressure-tested before shipping
- Road-Ready Durability: Engineered to withstand constant vibration, movement, and temperature extremes during travel
- Health & Safety Certified: Meets all NSF and industry standards for RV waste containment systems
- Lightweight Yet Strong: Advanced materials provide maximum strength at 88.5 lbs
- Perfect Fit Dimensions: 56" L x 30" W x 8.75" H - designed for standard RV underbelly installations
Technical Specifications
- Part Number: 466BLANK (Alpha Systems OEM)
- Capacity: 53 Gallons
- Dimensions: 56 inches (Length) x 30 inches (Width) x 8 3/4 inches (Height)
- Weight: 88.5 lbs
- Construction: Rotational molded single-piece design
- Color: Black
- Material: High-density polyethylene (HDPE)
- Application: RV black water/waste holding tank
- UPC: 779466000007
- Manufacturer: Alpha Systems
Common Applications & Compatibility
This 53-gallon RV waste tank is ideal for:
- Class A motorhome holding tank replacement
- Class C RV black water tank upgrade
- Fifth wheel waste tank replacement
- Travel trailer holding tank repair
- RV renovation and restoration projects
- Custom RV builds requiring OEM-quality components
- Fleet maintenance for RV rental companies
Why Rotomolded Tanks Are Superior
Unlike cheaper welded or seamed tanks, rotomolded holding tanks are manufactured as a single continuous piece with no joints, seams, or weak points. This advanced manufacturing process creates uniform wall thickness throughout the entire tank, providing exceptional strength and eliminating the most common failure points found in traditional tanks. The result is a holding tank that lasts longer, resists cracking, and provides leak-free performance year after year.
Installation & Compatibility Notes
Before ordering, please verify your existing tank dimensions to ensure proper fit. The Alpha 466BLANK measures 56" x 30" x 8.75" and is designed for standard RV underbelly mounting configurations. If you need assistance with product identification or have questions about compatibility with your specific RV model, our AI Live Chat has deep product knowledge and can help you confirm the right tank for your application.
What's Included
- One (1) Alpha 466BLANK 53-gallon holding tank
- Factory leak-test certification
- Installation ready - fittings and sensors sold separately
Frequently Asked Questions
Q: Is this the same quality as the original tank in my RV?
A: Yes! This is the exact same OEM-grade tank used by major RV manufacturers. It's not an aftermarket replacement - it's the genuine article.
Q: How do I know if this tank will fit my RV?
A: Measure your existing tank's dimensions (56" x 30" x 8.75") and mounting configuration. Our AI Live Chat can help verify compatibility for your specific RV model.
Q: What's the difference between rotomolded and welded tanks?
A: Rotomolded tanks are formed as one seamless piece with no weak points or seams that can leak. Welded tanks have joints that can fail over time from vibration and stress.
Q: Does this come with fittings and sensors?
A: The tank comes installation-ready, but fittings and sensors are sold separately to ensure you get exactly what your RV configuration requires.
Q: Where can I buy authentic Alpha holding tanks?
A: ElkhartRVParts.com is the only authorized supplier of Alpha Systems holding tanks. Buying from unauthorized sellers risks receiving counterfeit or substandard products.
Related Products You May Need
Looking for other RV tank solutions? Browse our complete selection of RV water and holding tanks or explore our RV grey and black water holding tanks collection. Need help finding the perfect tank? Use our RV Tank Finder tool.
Trust the Authorized Source
ElkhartRVParts.com is the only authorized supplier of Alpha Systems holding tanks. When you order from us, you're guaranteed to receive a genuine OEM product backed by factory quality standards. Beware of unauthorized sellers offering counterfeit or substandard tanks that may fail prematurely or void your RV warranty.
Need Help? We're Here for You
Have questions about fitment, installation, or need help identifying the right holding tank for your RV? Use our AI Live Chat for instant assistance with deep product knowledge and expert guidance.
Order your genuine Alpha 466BLANK 53-gallon holding tank today and experience the difference that OEM quality makes!
| Material | Rotational molded plastic |
|---|---|
| Width (inches) | 30 |
| Height (inches) | 8.75 |
| Length (inches) | 56 |
| Capacity (gallons) | 53 |
- What is the capacity of the alpha holding tank? The Alpha holding tank has a capacity of 53 gallons.
- What are the dimensions of this holding tank? The tank measures 56 inches in length, 30 inches in width, and 8 3/4 inches in height.
- Is this holding tank durable for rv travel? Yes, the tank is made with extra durable rotational molded construction designed to withstand movement, vibration, and temperature changes during RV travel.
- Does this tank meet any health or safety standards? Yes, the tank is manufactured to strict specifications to meet all necessary health and safety requirements for RV waste management.
- Is this holding tank compatible with new rv builds? Yes, these are authentic OEM parts and are the same high-quality tanks used by major RV manufacturers, ensuring perfect compatibility and performance.
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.

