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Premium 40 Gallon RV Holding Tank - Elkhart Plastics EPI 3018 / H1067
Upgrade or replace your RV's waste water system with this professional-grade 40 gallon holding tank from Elkhart Plastics, the industry leader in RV tank manufacturing. Designed for black water or gray water applications, this tank delivers the durability and reliability you need for worry-free RV adventures.
Why Choose This RV Holding Tank?
When you're on the road, the last thing you want is a holding tank failure. This Elkhart Plastics tank is built to OEM specifications, meaning it meets or exceeds the quality standards of original equipment manufacturers. You get the same premium quality that RV manufacturers trust, at a fraction of the dealer replacement cost.
- OEM-Grade Construction: Built to the same exacting standards as factory-installed tanks
- Versatile Application: Perfect for black water or gray water holding
- Proven Durability: Elkhart Plastics has been the trusted name in RV tanks for decades
- Exact Fit Replacement: Designed to fit standard RV configurations
- Cost-Effective Solution: Save hundreds compared to dealer replacement parts
Technical Specifications
- Capacity: 40 Gallons
- Dimensions: 63" Length x 24" Width x 8" Height
- Part Numbers: EPI 3018, H1067
- Manufacturer: Elkhart Plastics / Ameri-Kart
- Weight: 90 lbs
- Material: High-density polyethylene (HDPE)
- Country of Origin: USA
- Barcode: 71444539
Perfect For These Applications
This 40 gallon holding tank is ideal for:
- RV black water holding tank replacement
- RV gray water holding tank replacement
- Travel trailer waste water systems
- Fifth wheel holding tank upgrades
- Motorhome waste management systems
- Custom RV builds and renovations
Compatibility & Fitment
With dimensions of 63" x 24" x 8", this tank fits most standard RV configurations where a 40 gallon capacity is required. The compact 8" height makes it perfect for under-floor installations in travel trailers, fifth wheels, and motorhomes. Always measure your existing tank or available space before ordering to ensure proper fitment.
What Makes Elkhart Plastics the Industry Standard?
Elkhart Plastics has been manufacturing RV holding tanks for over 50 years, supplying major RV manufacturers with the tanks that come installed from the factory. When you choose an Elkhart Plastics tank, you're choosing the same quality that RV manufacturers trust. Their tanks are engineered to withstand the rigors of the road, temperature extremes, and years of reliable service.
Installation & Compatibility Notes
This holding tank is designed for professional installation or experienced DIY RV owners. Proper installation requires appropriate fittings, mounting hardware, and waste system connections (sold separately). We recommend consulting your RV's service manual or a qualified RV technician to ensure proper installation and system integration.
Related Products You May Need:
Frequently Asked Questions
Q: Can this tank be used for both black water and gray water?
A: Yes, this tank is suitable for either black water (toilet waste) or gray water (sink/shower drainage) applications.
Q: What fittings does this tank include?
A: This is the tank only. Fittings, mounting hardware, and connections are sold separately based on your specific installation requirements.
Q: How do I know if this tank will fit my RV?
A: Measure your existing tank or available installation space. This tank measures 63" x 24" x 8". If you need help with fitment or have questions about compatibility, use our AI Live Chat for expert assistance.
Q: Is this a genuine Elkhart Plastics tank?
A: Absolutely. ElkhartRVParts.com is an authorized dealer of genuine Elkhart Plastics products. Every tank we sell is 100% authentic OEM-grade quality.
Q: Where can I find installation instructions?
A: For installation guidance, product questions, or technical support, please use our AI Live Chat for immediate assistance from our product experts.
Why Buy From ElkhartRVParts.com?
- ✓ Authorized Elkhart Plastics dealer - 100% authentic parts guaranteed
- ✓ Fast shipping to get you back on the road quickly
- ✓ Expert support through our AI Live Chat
- ✓ Competitive pricing on OEM-quality parts
- ✓ Trusted by RV owners nationwide
Ready to upgrade your RV's holding tank system? Add this premium 40 gallon Elkhart Plastics holding tank to your cart today and enjoy peace of mind knowing you're installing the same quality that RV manufacturers trust.
Need help with product selection or have questions? Use our AI Live Chat for expert assistance with product identification, compatibility, and technical specifications.
| Material | Black polyethylene |
|---|---|
| Width (inches) | 24 |
| Height (inches) | 8 |
| Length (inches) | 63 |
| Weight (pounds) | 33 |
| Capacity (gallons) | 40 |
| Outlet size (inches) | 3 |
| Wall thickness (inches) | 0.18 |
- What are the dimensions of the 40 gallon rv holding tank? The tank measures 63 inches in length, 24 inches in height, and 8 inches in width.
- Is the 40 gallon rv holding tank ready to use with fittings installed? No, this is a blank tank with no fittings. Fittings can be added upon request and quote.
- What material is the holding tank made of? The tank is made from black polyethylene with a wall thickness of 0.180 inches.
- Does the sealed hole on top of the tank serve any purpose? No, the sealed hole on top is a venting hole used during manufacturing and has no functional use for the end-user.
- Are returns accepted for this holding tank? All tank sales are final as these are custom products, so returns are not accepted.
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.


