Spring Peak for Drivetrain Replacement Orders
Spring transmission orders 26.6% of annual volume; engines 31.6%. October trough 9.4%. Plan inventory and install capacity around seasonal peaks.
Quick Answer
**Spring** concentrates drivetrain orders: **~26.6%** of annual **transmission** volume and **~31.6%** of **engine** volume in peak spring months. **October** trough near **9.4%**. Seasonality affects **shop capacity**, not unit defect rate.
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What Does This Article Cover?
- **Median purchase mileage** and claim patterns across compared cohorts - **Named model examples** with sales volume and mileage bands - Why some applications cluster **earlier or later** in miles - **Reman vs used** or make-comparison context where relevant - What to prepare **before ordering** and document after install ## What Months Show the Strongest Replacement Volume?
| Season | Transmission share | Engine share | |--------|-------------------:|-------------:| | **Spring (peak months)** | **~26.6%** | **~31.6%** | | **October (trough)** | **~9.4%** | similar trough | | Winter / summer | Moderate | Moderate |
Why Might Spring Show Higher Order Volume?
| Driver | Effect | |--------|--------| | Post-winter damage | Towing, salt, cold-start wear surfaced | | Tax/refund season | Purchase timing for major repairs | | Shop availability | Owners schedule after winter |
Does Season Change Claim Rate?
No meaningful claim-rate seasonality in export — **install setup** and **first-500-mile** documentation rules apply year-round.
Before You Buy a Reman Transmission: Checklist
| Step | Action | |------|--------| | 1 | Confirm **transmission application** matches **VIN and build codes** | | 2 | Record **odometer photo** for warranty activation | | 3 | Plan **fluid, filter, and cooler line** service with install | | 4 | Verify whether **TCM relearn / reflash** is required for your build | | 5 | Activate coverage within the required window — activation timing: /blog/reman-transmission-activation-windows-warranty-timing | | 6 | Retain **install invoice** and shop details |
Compare expectations: used vs reman before purchase: /blog/used-vs-reman-expectations-before-purchase
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FAQ
What share of transmission orders happen in spring?
**~26.6%** in peak spring months.
What share of engine orders?
**~31.6%** in peak spring months.
What is the October trough?
**~9.4%** of annual transmission volume.
Does spring buying increase claim risk?
Not in matched-rate analysis — document install consistently.
Where are mileage hubs?
Transmission: /blog/at-what-mileage-do-customers-replace-a-transmission · Engine: /blog/at-what-mileage-do-customers-replace-an-engine.
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Related on Expedia Parts
- Warranty policy and Expedia Protection: /warranty
- Warranty activation — 14-day rule: /blog/warranty-activation-14-day-rule
- Documents required for a warranty claim: /blog/documents-required-warranty-claim
- Reman transmission won’t shift after install: /blog/reman-transmission-wont-shift-after-install
- When your transmission needs a reflash: /blog/when-transmission-needs-reflash
- Engine won’t start after install: /blog/engine-wont-start-after-install