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🚐 Upgrade your mobile throne with Thetford’s precision base – because your RV deserves the best!
Thetford 42137 Aqua Magic II Base in High White is a lightweight, durable plastic replacement base designed specifically for Aqua Magic II toilets. Measuring 19"D x 12"W x 13"H, it offers a compact, oval shape ideal for RV, marine, and mobile sanitation setups. Manufactured by Thetford, a trusted leader in mobile sanitation, this base ensures seamless compatibility and easy countertop installation, enhancing your mobile living comfort with reliable quality.

| ASIN | B00R6L4DOK |
| Best Sellers Rank | #76,386 in Automotive ( See Top 100 in Automotive ) #78 in RV Toilet Spare Parts |
| Brand | Thetford |
| Brand Name | Thetford |
| Customer Reviews | 4.2 out of 5 stars 802 Reviews |
| EU Spare Part Availability Duration | 5 Years |
| Global Trade Identification Number | 00028985421375 |
| Included Components | Thetford 42137 Base for Aqua-Magic Style II Toilet - High White |
| Installation Method | Countertop |
| Installation Type | Countertop |
| Item Dimensions D x W x H | 19"D x 12"W x 13"H |
| Item Type Name | Thetford 42137 Base for Aqua-Magic Style II Toilet - High White |
| Item Weight | 0.16 Kilograms |
| Manufacturer | THETFORD |
| Manufacturer Part Number | 42137 |
| Material | Plastic |
| Material Type | Plastic |
| Model Number | 42137 |
| Product Dimensions | 19"D x 12"W x 13"H |
| Seat Material | Plastic |
| Shape | Oval |
| UPC | 028985421375 |
| Unit Count | 1.0 Count |
C**.
Worked Great! But minor complications..help within...
Hi everyone! So my old RV Toilet's flush handle came off and this product seemed to be the answer and it was! Everything went as expected except for attaching the bowl to the base. First of all, in order to get the leverage, I had to install the base over the bolts so I could twist it hard. However, it would not fully engage the tabs and thus not align with the bolt holes in the base. I found that the tabs were pretty flexible and found that a minor bend to each allowed the bowl to engage all four tabs. But for some reason, the hole in the base did NOT align perfectly with the bowl. But was able to get the bolts in and that is all the mattered. So all is good! :-) Good luck!
M**W
Exact replacement
This is the exact replacement for my Thetford RV toilet base. It is fairly easily installed, although the instructions are sort of cryptic - they are trying to do too much on a small document. I had to remove and replace mine a 2nd time because I installed a gasket upside down! The quality of the hardware included was good, again identical to the original.
A**A
Everything works
Im so happy that my toilet finally holds water! Its one of those things that you should've done a long time ago. Im happy with the shipping and thankful it came with all the accessories needed.
G**E
How could this escape quality control?
I simply can't comprehend how a defect like this couldn't have been caught at quality inspection! It is so obvious and has wasted my time and effort. Thetford ... not a good effort on their part. Ok returned this one and ordered another ... the new one was packaged well and did not show any damage. Installation however, was another issue. For some reason the place where the top seal is placed in the old base was formed into the plastic of the base. The new version has a small circular piece that gets inserted into the throat of the base ... but it will not stay put ... keeps creeping out making it impossible to attach the bowl to the base because one cannot compress the bowl onto the base with enough force to both seat the insert and twist the bowl into the 4 little "fingers?" that hold the bowl to the base. Two little screws were need to hold the piece into the base so it would stay put. Next issue is the little fingers that hold the bowl to the base. These did not stand high enough to allow them to slide properly to connect to the bowl to the base when attempting to twist onto the base. A pair of channel locks were used to bend the little fingers upward so that eventually they would clear the bottom of the bowl allowing the twisting of the two pieces together to actually happen. So a 30 minute job turned into a couple of hours and wasted colorful language phrases that could have been put to better use.
J**W
Easily instaled
Worked perfect, no problem, easy to install and a great price. Highly recommended it and the company
B**S
Easy installation
Perfect fit good value
G**N
The best and cleanser way to fix your RV toilet
Yeah! This is the best way to fix the RV toilet. No small parts to piece together in gross areas, just buy this brand new unit and put the bowl on. Make sure to re -tighten the mounting bolts at the floor after sitting on it.
K**L
Good product
Good product, packaged nicely . Works great
Trustpilot
3 weeks ago
3 days ago