Product images: Amazon listings
Written from the listing's specs, not from our own use · How we rate
The JJing CO Module for Predator keeps it simple: a replacement part with a fit for the Predator. It is a good match for getting a generator back in working order, at 6.3/10 on its documented specs.
| Brand | JJing |
|---|---|
| Category | Gas-only generators |
| Running output | 3500 W |
| Sold for | Predator |
| ASIN | B0D8VM2BQT |
Full listing title: JJing Carbon Monoxide Alarm CO Module CO Sensor Compatible with Some Harbor Freight Predator 4375 3500 Watt Generator
| Running output | Exact listing |
|---|
Rated from the listing's specs, no buyer reviews yet
What it's made for: getting a generator back in working order.
Two replacement parts close to it on our rating, each with a dated price.
The listing names Predator generators.
A replacement part only fits the models it lists. Find the model number on your generator's label and the part number on the old part, and match both before you order.
The seller states, word for word, in the JJing CO Module for Predator listing:
Predator has two OEM sources for 4375/3500 generator and the CO modules or CO sensors are not compatible with each other.
This CO alarm only fits Predator 4375 generator.
The seller's words, quoted as written; we haven't measured them. Your generator's manual decides whether it fits.
On Sep 30, 2026, that price put it in the pricier third of the 9 replacement parts we have a recent price for.
The button opens the exact listing (ASIN B0D8VM2BQT), where today's price, stock and seller apply.
Our take
The JJing CO Module for Predator is about a fit for the Predator, and it doesn't pretend to be more. No buyer reviews yet, so the JJing CO Module for Predator has to win you over on paper. The catch with this JJing replacement part: it only fits the models it lists, so check your model before you order. We'd pick it if you own a Predator and need the part; otherwise, put it next to the JMCHstore Fuel Tank for Generac first.
Before you order the JJing CO Module for Predator, check your model number: it is listed for the Predator, and fit is model-specific.
Listed for the Predator. Find the full model number on your generator's label and compare it with the listing before you order.
Your manual lists the part numbers and the service steps. Our maintenance schedule helps you plan the job.
How the JJing CO Module for Predator stacks up against the closest alternative, the JMCHstore Fuel Tank for Generac.
| Criterion | JJing CO Module for Predator | JMCHstore Fuel Tank for Generac |
|---|---|---|
| Our rating | 6.3/10 | 6.7/10 |
| Fits | Predator | Generac |
Pick the JMCHstore Fuel Tank for Generac if you want our higher-rated option (6.7/10).
We rate it 6.3/10 (fair). The rating comes from its documented listing alone, as no customer-review record is captured yet.
Only if your generator manual confirms it. Check the outlet or plug type, the amperage, the list of supported models and any adapter the manual asks for; looking similar is no proof that it fits.
Its listing states a fit for the Predator. These are the seller's figures, not our measurements: whether it fits your exact generator is worth confirming first.
Your exact model: listed for the Predator. Find the full model number on your generator's label and compare it with the listing before you order. The manual: your manual lists the part numbers and the service steps. Our maintenance schedule helps you plan the job.
We link to the exact listing on Amazon, where today's price, stock and seller apply. It is an affiliate link, and it has no effect on the rating.
No, we haven't used it ourselves. Everything on this page comes from its listing, read line by line and weighed with our published formula, plus our editors' read of how it compares with its rivals.