⚖️ IMPORTANT — AFTERMARKET PART NOTICE
our company is an independent aftermarket parts supplier. All third‑party brand names, trademarks, and reference numbers are the property of their respective owners and are used solely for identification and compatibility purposes. Our products are not sponsored, endorsed, or affiliated with any original equipment manufacturer (OEM).
SND15A003 Starter – Compatible with THOMAS BUILT BUS MVP-EF / Saf-T-Liner (Type D) w/ CAT 3126 428000-2840 19550
Product Overview
LSDF SND15A003 – 12V 4.0KW 10T CW PLGR-67-0.8 Starter — A high‑power aftermarket compatible replacement Starter, engineered for THOMAS BUILT BUS MVP-EF and Type D Saf-T-Liner (EF / ER / HDX) school buses powered by Cater 3126 diesel engines. This product delivers reliable cranking power for heavy‑duty school bus and commercial bus applications. It serves as an aftermarket compatible replacement for numerous OEM part numbers, making it an ideal choice for bus fleet maintenance and repair.
Product Model
| Attribute |
Specification / Value |
| Product Model |
SND15A003 |
| Brand |
LSDF |
| Part Name |
Starter |
| Structure |
PLGR-67-0.8 |
| Product Type |
Aftermarket replacement, mass‑produced |
| Electrical Specs |
12V 4.0KW rated power, 10T drive gear, CW rotation |
| Application |
Compatible with THOMAS BUILT BUS MVP-EF / Type D Saf-T-Liner buses w/ CAT 3126 diesel engines |
| Target Markets |
Global Aftermarket |
| Product Status |
Active (Released) |
Cross‑Reference Codes (For Compatibility Comparison)
All third‑party brand names and part numbers are for cross‑reference purposes only and do not imply affiliation or endorsement. LSDF is our own brand; all other manufacturer names and numbers are the property of their respective owners.
| Brand |
Reference Number(s) |
| LSDF / MY_NO |
SND15A003 |
| ARROWHEAD |
SND0641 |
| ARROWHEAD (OEM) |
ND428000-2840 |
| LESTER |
19550 |
| PIC |
190-6232 |
| BBB HD |
19550 |
| DENSO |
428000-2840 |
| DIXIE |
S-80234 |
| MPA HD |
X719550 |
| NAPA HD |
719550 |
| THOMAS BUS |
61231352 |
| WILSON / WILSON HD |
91-29-5637 |
Compatible Vehicle Applications
This Starter is listed for the following THOMAS BUILT BUS school bus and commercial bus applications (powered by Cater 3126 diesel engines). Please verify your original part number and equipment details before ordering.
| Vehicle Brand |
Model |
Engine / Type |
Year |
| THOMAS BUILT BUS |
MVP-EF |
CAT 3126 Diesel / School Bus |
— |
| THOMAS BUILT BUS |
Type D – Saf-T-Liner-EF |
CAT 3126 Diesel / School Bus |
— |
| THOMAS BUILT BUS |
Type D – Saf-T-Liner-ER |
CAT 3126 Diesel / School Bus |
— |
| THOMAS BUILT BUS |
Type D – Saf-T-Liner-HDX |
CAT 3126 Diesel / School Bus |
— |
Design Features & Performance Advantages
- PLGR-67-0.8 Direct Drive Structure: Utilizes robust direct‑drive architecture with 4.0KW output, designed to deliver reliable cranking power for THOMAS BUILT BUS MVP-EF and Type D Saf-T-Liner school buses equipped with Cater 3126 diesel engines. The 10T drive gear with precision‑cut teeth ensures optimal engagement and minimizes wear and noise under frequent daily bus start‑stop cycles.
- Precision Engineering for Aftermarket Compatible Replacement: Manufactured with exacting tolerances, this Starter is designed to match the mounting and electrical specifications of the corresponding original equipment–style components. It provides a straightforward, bolt‑on installation without modification — a hassle‑free solution for school bus fleet maintenance technicians and bus repair shops alike.
- Premium Materials for Extended Durability: The motor incorporates high‑purity copper windings and Class F insulation, offering excellent heat resistance and preventing failure under frequent start‑stop cycles common in school bus operation. Durable graphite brushes and a corrosion‑resistant aluminum alloy housing ensure long service life, even in extreme weather and high‑mileage bus fleet environments. A high‑quality one‑way clutch protects the Starter from flywheel back‑drive damage.
- Versatile Application Coverage: This Starter is intended for use across multiple THOMAS BUILT BUS models — MVP-EF and Type D Saf-T-Liner EF / ER / HDX variants, helping to reduce inventory complexity for school bus fleet maintenance operations and bus parts distributors.
Quality & Application Information
Our Starters undergo rigorous factory testing, including no‑load performance, load torque, locked‑rotor, and dielectric strength tests, to ensure consistent quality and reliability. We comply with international standards for aftermarket automotive and industrial components.
Application Scenarios: This Starter is an ideal compatible replacement for THOMAS BUILT BUS MVP-EF and Type D Saf-T-Liner (EF / ER / HDX) school buses equipped with Cater 3126 diesel engines. It is commonly used in school bus fleet maintenance facilities, bus repair shops, and heavy‑duty parts distribution networks.
📌 Important Fitment Notice: While this Starter shares key specifications with the models listed, slight variations in manufacturer tolerances may exist. We strongly recommend comparing this unit with your existing Starter (tooth count, rotation direction, mounting pattern) before installation.
Frequently Asked Questions
I. Product Selection
Q1: Is the SND15A003 Starter a brand‑new product?
A: Yes, it is 100% brand new. Leshan Dongfeng Automobile Electric Appliance Co., Ltd. (LSDF) guarantees that all Starters we sell are factory‑manufactured new units — never rebuilt or used. We prioritize reliability and safety, ensuring every component meets our high quality standards.
Q2: Which equipment is this Starter compatible with?
A: This Starter is designed to be compatible with THOMAS BUILT BUS MVP-EF and Type D Saf-T-Liner (EF / ER / HDX) school buses powered by Cater 3126 diesel engines. It corresponds to a wide range of reference numbers (see cross‑reference table), including THOMAS BUS OEM number 61231352. Please verify your original part number to ensure correct fitment.
💡 Selection tip: This Starter features CW rotation and a 10T drive gear. Always confirm the rotation direction and tooth count on your existing Starter before ordering. If unsure, contact our team with your equipment model and reference number for assistance.
Q3: Can I order a sample? What are the sample charges?
A: Yes, we support sample orders for evaluation and testing. Sample fees depend on model and quantity; some standard models may be available as free samples (shipping costs apply). Please contact our sales team for detailed information.
II. Quality & Brand
Q4: Is the LSDF brand reliable? How do you guarantee product quality?
A: Leshan Dongfeng Automobile Electric Appliance Co., Ltd. (trademark: LSDF) is a professional National High‑Tech Enterprise established in 2001, with ISO9001 certification. Our Starters feature 100% pure copper motors and premium electronic components, with 100% outgoing inspection. Our products have been exported to over 10 countries, including the USA, UK, Germany, and Canada, for many years, demonstrating consistent reliability in global aftermarket applications.
III. Warranty & After‑Sales Service
Q5: What warranty and after‑sales service do you provide?
A: We offer a one‑year comprehensive warranty on all our products. During this period, we cover quality issues not caused by misuse. Our technical and sales teams are available to assist with selection, installation, and usage questions.
Q6: What should I do if I receive a faulty product?
A: If you encounter any problem upon delivery, please take clear photos/videos of the issue and retain the original packaging, then contact our customer service immediately. We will provide replacement, repair, or refund solutions based on the situation to protect your rights.
IV. Ordering & Logistics
Q7: Do you offer discounts for bulk orders?
A: Absolutely. LSDF supports OEM/ODM customization and volume purchasing. We offer competitive pricing and flexible payment terms for bulk orders. Please contact our sales team with your estimated quantity for a tailored quote.
Q8: What shipping methods do you support? How long does delivery take?
A: We offer multiple flexible logistics options:
| Shipping Method |
Details |
| Express Courier |
Via DHL, UPS, FedEx, TNT, etc. after order placement. Fastest option for small or urgent orders. |
| Air Freight |
Shipped from Tianfu Airport to the airport at your destination. |
| Sea Freight |
Shipped from Shanghai Port, suitable for bulk/large‑volume orders. |
⚠️ PATENT DISCLAIMER: LSDF has not conducted a patent search for all listed OEM part numbers. Customers are responsible for verifying that this product does not infringe any applicable patent rights in their jurisdiction. LSDF assumes no liability for patent infringement claims arising from the use of this product.
⚠️ DISCLAIMER: All brand names, trademarks, and reference numbers mentioned are the property of their respective owners. LSDF is an independent aftermarket parts supplier. Our products are not sponsored, endorsed, or affiliated with any original equipment manufacturer (OEM). The reference numbers are provided solely for cross‑referencing purposes to assist in product identification and selection. Always verify compatibility with your specific equipment before purchase. LSDF assumes no liability for improper fitment or misuse.
