HZ Ignition Coil for Briggs Stratton Twin L-Head Engines – Compatible with 590781, 394891, 422707 & More
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Description
xOverview
Upgrade your mower's ignition with the HZ ignition coil designed for Briggs Stratton twin L-Head engines. This high-quality replacement matches original coil numbers and is compatible with Briggs & Stratton models such as 590781, 392329, 394891, 394988, and 394895. It supports both horizontal and vertical twin configurations found in riding mowers and tractors from MTD, Troy-Bilt, and related brands.
In real-world use, you may notice crisper starts and a steady idle when the coil is delivering a consistent spark path across a wide model spectrum. The coil is designed to fit engines powering many popular models, such as 42A707, 42A777, 422707, 422700, and others in the Briggs range. It also covers additional part numbers and engine variants listed in our compatibility guide.
Compatibility highlights
- Replaces Briggs numbers 590781, 392329, 394891, 394988, 394895
- Fits 16HP–21HP Briggs twin L-Head engines (horizontal & vertical)
- Cross-compatible with select MTD, Troy-Bilt, Cub Cadet, Craftsman riding mowers and tractors
- Model range includes 42A707, 42A777, 422707, 422700, 400400, 401417, 421431, 421417 and more
Key features and notes
- High-quality replacement that matches the original Briggs Stratton coil interfaces
- Designed for V-twin engines, covering many Briggs L-Head configurations
- Durable construction suitable for outdoor maintenance equipment
- Easy verification: check the listed part numbers and model ranges before ordering
Installation and use: To install, power down the mower, disconnect the battery, remove the old coil, and swap in the new unit, ensuring the connectors are secure and the mounting matches the original layout. You may experience improved spark consistency and easier starts in compatible engines.
Quality and fit: This ignition coil is presented as a reliable replacement option tuned to Briggs Stratton twin engines, designed to perform with your corresponding models while aligning with the original coil interfaces for a straightforward swap.
FAQ
Q: What models does the HZ ignition coil fit?
A: It replaces Briggs numbers 590781, 392329, 394891, 394988, 394895 and fits many 16–21 HP L-Head twins used in MTD/Troy-Bilt riding mowers and tractors.
Q: How can I verify compatibility before ordering?
A: Check listed model ranges like 42A707, 42A777, 422707, 422700, 400400, 401417, 421431 to confirm a correct fit.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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