Sunbelt 1/2-in x 79-in Deck/Drive Belt, for Multiple , Replaces OEM Part Number A77K, 4L790K
Item #1540885 |
Model #LA77K
This item is no longer sold on Lowes.com
Sunbelt fractional replacement belts provide incremental length and width measurement matches with minor pulley adjustments
Fractional replacement belt number A77K, 4L790K; Size 1/2-in x 79-in
1/2-in x 79-in wrapped Aramid Cord V-Belt
Aramid cord is manufactured to withstand the heat, oil, and back idler pulleys often associated with outdoor power equipment
Belts with aramid cord also offer high tensile strength, non-extensibility, and high resistance to shock loads
Additional models that use this replacement belt can be found in the Belt Replacement Guide (see Guides and Documents tab)
For detailed installation instructions, please refer to your operator's manual
Contains 1 belt
General | |||
|---|---|---|---|
Series Name | A77K | Application | Multiple |
Type | Deck/Drive | ||
Dimensions | |||
|---|---|---|---|
Length (Inches) | 79 | Width Measurement | 1/2-in |
Width (Inches) | 5 | ||
Compatibility | |||
|---|---|---|---|
Replaces OEM Part Number | A77K, 4L790K | Fits to Brand | Universal (fits to most brands) |
Certifications | |||
|---|---|---|---|
CA Residents: Prop 65 Warning(s) | |||
Warranty | |||
|---|---|---|---|
Warranty | 1-year limited | ||
Miscellaneous | |||
|---|---|---|---|
UNSPSC | 27112000 | ||
Check out the Best Selling Lawn Mower Belts on Lowes.com
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise the mower belts for their precise fit, reliable performance, and strong value. Most report successful replacements with exact compatibility across multiple mower models, noting phrases like "perfect fit" and "fits like a glove." Reviewers consistently highlight that belts work effectively right out of the box with descriptions like "well made" and "high quality," while emphasizing affordability compared to alternatives. A small number report premature failure or occasional sizing issues, though most customers find the belts a smart, cost-effective choice that gets their mowers running again quickly.
Customer review summary generated by AI, including incentivized reviews.On June 10th I went to Lowe's looking for a riding lawn mower belt couldn't find it. Those employees come up to me and insisted he can get it. He told me he can get anything so I said okay? He taught me joining the Lowe's club. Gee, that's fine. I got my $4 discount but I never got the part. It was supposed to arrive June 19th. Is now July 20th I went back 2 × 2 get a refund and told them that I didn't receive my part. They told me they cannot refund me. I said, really I gave you the money and ...
From 1_SLASH_2-in x 96-in Deck_SLASH_Drive Belt, Multiple, Replaces OEM Part Number A94K, 4L960K Verified Purchaser
Belt hasn’t slipped at all, good drive belt
From 1_SLASH_2-in x 82-in Deck_SLASH_Drive Belt, Multiple, Replaces OEM Part Number A80K, 4L820K Verified Purchaser
42 Questions
2
Answers
1
Answer
1
Answer
1
Answer
1
Answer
1
Answer
1
Answer
1
Answer
1
Answer
1
Answer





