Doc's Diesel subject lines
240 subject lines averaging 33 characters.
| Picture | Sent (Eastern) | Subject | Characters | Preview text | |
|---|---|---|---|---|---|
| Sep 28, 2026 6:30 PM | 3 refunds left. Ends at midnight. | 33 | Last call, for real this time. | Sep 28, 2026 6:30 PM · 33 characters. Last call, for real this time. | |
| Sep 28, 2026 11:13 AM | Oops. I jumped the gun. | 23 | The giveaway runs through tonight. 3 more refunds to go. | Sep 28, 2026 11:13 AM · 23 characters. The giveaway runs through tonight. 3 more refunds to go. | |
| Sep 28, 2026 10:00 AM | Made For The Cold Months Ahead | 30 | 24/7 Winter Flow arrives September 30 | Sep 28, 2026 10:00 AM · 30 characters. 24/7 Winter Flow arrives September 30 | |
| Sep 28, 2026 3:58 AM | Your Recent Visit To Doc's Diesel | 33 | Here's a few products we think you'll like... | Sep 28, 2026 3:58 AM · 33 characters. Here's a few products we think you'll like... | |
| Sep 27, 2026 4:00 PM | Final round of refunds | 22 | orders refunded so far. 3 more spots left tonight. | Sep 27, 2026 4:00 PM · 22 characters. orders refunded so far. 3 more spots left tonight. | |
| Sep 27, 2026 12:30 PM | Still going. 2 days left. | 25 | Here's what happened when we called yesterday's winners. | Sep 27, 2026 12:30 PM · 25 characters. Here's what happened when we called yesterday's winners. | |
| Sep 27, 2026 3:57 AM | Get Back to Top-Tier Performance | 32 | Grab all your diesel essentials here | Sep 27, 2026 3:57 AM · 32 characters. Grab all your diesel essentials here | |
| Sep 26, 2026 11:30 PM | Your Recent Visit To Doc's Diesel | 33 | Here's a few products we think you'll like... | Sep 26, 2026 11:30 PM · 33 characters. Here's a few products we think you'll like... | |
| Sep 26, 2026 7:56 PM | It Doesn't Hurt To Look... | 26 | Item still available | Sep 26, 2026 7:56 PM · 26 characters. Item still available | |
| Sep 26, 2026 5:30 PM | Time to Replace That Worn Hub? | 30 | Get the right fit now | Sep 26, 2026 5:30 PM · 30 characters. Get the right fit now | |
| Sep 26, 2026 10:01 AM | Round 2 of the refund giveaway starts now | 41 | orders a day, picked at random. Starts today. | Sep 26, 2026 10:01 AM · 41 characters. orders a day, picked at random. Starts today. | |
| Sep 25, 2026 11:29 PM | Get Back to Top-Tier Performance | 32 | Grab all your diesel essentials here | Sep 25, 2026 11:29 PM · 32 characters. Grab all your diesel essentials here | |
| Sep 25, 2026 5:30 PM | Your next order might be on us | 30 | random orders a day, refunded in full. Starting tomorrow. | Sep 25, 2026 5:30 PM · 30 characters. random orders a day, refunded in full. Starting tomorrow. | |
| Sep 25, 2026 3:29 PM | It Doesn't Hurt To Look... | 26 | Item still available | Sep 25, 2026 3:29 PM · 26 characters. Item still available | |
| Sep 25, 2026 11:41 AM | Stop Paying Dealership Prices for Brakes | 40 | Upgrade your stopping power without the markup. | Sep 25, 2026 11:41 AM · 40 characters. Upgrade your stopping power without the markup. | |
| Sep 24, 2026 1:44 PM | Behind The Wheel With A ’77 F-250 | 35 | Watch the latest episode now | Sep 24, 2026 1:44 PM · 35 characters. Watch the latest episode now | |
| Sep 23, 2026 11:02 AM | Your Winter Fuel Treatment Is Almost Here | 41 | 24/7 Winter Flow launches September 30 | Sep 23, 2026 11:02 AM · 41 characters. 24/7 Winter Flow launches September 30 | |
| Sep 23, 2026 11:00 AM | Winter-Proof Your Injectors Now | 31 | You need the right preparation | Sep 23, 2026 11:00 AM · 31 characters. You need the right preparation | |
| Sep 23, 2026 11:00 AM | Is Your Diesel Ready for Sub-Zero? | 34 | Avoid cold-weather fuel problems | Sep 23, 2026 11:00 AM · 34 characters. Avoid cold-weather fuel problems | |
| Sep 22, 2026 9:17 PM | Your Recent Visit To Doc's Diesel | 33 | Here's a few products we think you'll like... | Sep 22, 2026 9:17 PM · 33 characters. Here's a few products we think you'll like... | |
| Sep 21, 2026 9:14 PM | Get Back to Top-Tier Performance | 32 | Grab all your diesel essentials here | Sep 21, 2026 9:14 PM · 32 characters. Grab all your diesel essentials here | |
| Sep 21, 2026 1:04 PM | It Doesn't Hurt To Look... | 26 | Item still available | Sep 21, 2026 1:04 PM · 26 characters. Item still available | |
| Sep 21, 2026 10:00 AM | What Does Oil Weight Actually Mean? | 35 | Learn why the right oil weight matters for engine protection and performance. | Sep 21, 2026 10:00 AM · 35 characters. Learn why the right oil weight matters for engine protection and performance. | |
| Sep 21, 2026 1:14 AM | Start Earning Rewards on Every Order | 36 | Join Diesel Diehard and turn points into real perks. | Sep 21, 2026 1:14 AM · 36 characters. Join Diesel Diehard and turn points into real perks. | |
| Sep 21, 2026 1:08 AM | Your Recent Visit To Doc's Diesel | 33 | Here's a few products we think you'll like... | Sep 21, 2026 1:08 AM · 33 characters. Here's a few products we think you'll like... | |
| Sep 20, 2026 10:01 AM | Don't Wait! Check Your Maintenance Now! | 39 | Doc’s Oil & Filter Kits make it easy to stay ahead. | Sep 20, 2026 10:01 AM · 39 characters. Doc’s Oil & Filter Kits make it easy to stay ahead. | |
| Sep 20, 2026 1:07 AM | Get Back to Top-Tier Performance | 32 | Grab all your diesel essentials here | Sep 20, 2026 1:07 AM · 32 characters. Grab all your diesel essentials here | |
| Sep 19, 2026 5:06 PM | It Doesn't Hurt To Look... | 26 | Item still available | Sep 19, 2026 5:06 PM · 26 characters. Item still available | |
| Sep 19, 2026 3:00 PM | Free 24/7 Ends Tonight | 22 | Your $200+ order gets the bottle | Sep 19, 2026 3:00 PM · 22 characters. Your $200+ order gets the bottle | |
| Sep 19, 2026 2:53 PM | Just for You: $10 OFF | 21 | Expires in 48 hours | Sep 19, 2026 2:53 PM · 21 characters. Expires in 48 hours | |
| Sep 19, 2026 10:19 AM | Your Recent Visit To Doc's Diesel | 33 | Here's a few products we think you'll like... | Sep 19, 2026 10:19 AM · 33 characters. Here's a few products we think you'll like... | |
| Sep 19, 2026 10:01 AM | Last Day to Get Your Free 24/7 | 30 | Knock out that maintenance list | Sep 19, 2026 10:01 AM · 30 characters. Knock out that maintenance list | |
| Sep 19, 2026 1:13 AM | Order with Confidence — Fitment Guaranteed | 44 | Premium parts. 3rd-party tested. Guaranteed to fit. | Sep 19, 2026 1:13 AM · 44 characters. Premium parts. 3rd-party tested. Guaranteed to fit. | |
| Sep 18, 2026 5:00 PM | Your $200+ Order Comes With Free 24/7 | 37 | Driver Appreciation Week Ends Soon | Sep 18, 2026 5:00 PM · 37 characters. Driver Appreciation Week Ends Soon | |
| Sep 18, 2026 10:18 AM | Get Back to Top-Tier Performance | 32 | Grab all your diesel essentials here | Sep 18, 2026 10:18 AM · 32 characters. Grab all your diesel essentials here | |
| Sep 18, 2026 10:00 AM | That Hum Might Be Your Hub | 26 | Four checks before grabbing the wrench | Sep 18, 2026 10:00 AM · 26 characters. Four checks before grabbing the wrench | |
| Sep 18, 2026 6:09 AM | Your Recent Visit To Doc's Diesel | 33 | Here's a few products we think you'll like... | Sep 18, 2026 6:09 AM · 33 characters. Here's a few products we think you'll like... | |
| Sep 18, 2026 2:17 AM | It Doesn't Hurt To Look... | 26 | Item still available | Sep 18, 2026 2:17 AM · 26 characters. Item still available | |
| Sep 18, 2026 1:12 AM | Find the Right Part. Every Time. | 32 | Use our fitment search and never second-guess an order again. | Sep 18, 2026 1:12 AM · 32 characters. Use our fitment search and never second-guess an order again. | |
| Sep 17, 2026 10:06 AM | The Shops That Keep Your Truck Running Buy From Us Too | 54 | The difference is how many they order. | Sep 17, 2026 10:06 AM · 54 characters. The difference is how many they order. | |
| Sep 17, 2026 6:08 AM | Get Back to Top-Tier Performance | 32 | Grab all your diesel essentials here | Sep 17, 2026 6:08 AM · 32 characters. Grab all your diesel essentials here | |
| Sep 17, 2026 1:11 AM | Welcome to Doc's Diesel — Here's $10 Off | 42 | Built for real trucks, real work, and real miles. | Sep 17, 2026 1:11 AM · 42 characters. Built for real trucks, real work, and real miles. | |
| Sep 17, 2026 12:28 AM | Your Recent Visit To Doc's Diesel | 33 | Here's a few products we think you'll like... | Sep 17, 2026 12:28 AM · 33 characters. Here's a few products we think you'll like... | |
| Sep 16, 2026 10:05 PM | It Doesn't Hurt To Look... | 26 | Item still available | Sep 16, 2026 10:05 PM · 26 characters. Item still available | |
| Sep 16, 2026 5:30 PM | Your Diesel Fuel Could Use This | 31 | Clean, lubricate, boost and protect | Sep 16, 2026 5:30 PM · 31 characters. Clean, lubricate, boost and protect | |
| Sep 16, 2026 5:30 PM | We’ll cover the 24/7 | 21 | Free on $200+ orders | Sep 16, 2026 5:30 PM · 21 characters. Free on $200+ orders | |
| Sep 16, 2026 12:27 AM | Get Back to Top-Tier Performance | 32 | Grab all your diesel essentials here | Sep 16, 2026 12:27 AM · 32 characters. Grab all your diesel essentials here | |
| Sep 15, 2026 4:26 PM | It Doesn't Hurt To Look... | 26 | Item still available | Sep 15, 2026 4:26 PM · 26 characters. Item still available | |
| Sep 15, 2026 11:44 AM | 7,000 Miles a Month Is No Joke | 30 | See how they keep up | Sep 15, 2026 11:44 AM · 30 characters. See how they keep up | |
| Sep 14, 2026 10:00 AM | Free 24/7 with your $200+ order | 31 | No code — We’ll add it automatically | Sep 14, 2026 10:00 AM · 31 characters. No code — We’ll add it automatically |
Based on 240 emails received from Mar 16 to Nov 4, 2026. Times in US Eastern. How we collect