Valve Spring Seat (Lower) 13734-78020 for Toyota Dyna
1373478020 - Engine parts
Price Details
Dealer Price ≠ Your Price
Official dealer price is only a benchmark. Your LongTop quote is significantly lower.
| Brand | Longtop Supply Quote | Action |
|---|---|---|
| FAW Toyota | $1.98 | Check Better Price |
| GAC Toyota | $2.55 | Check Better Price |
| Imported Toyota | $2.55 | Check Better Price |
| Lexus | $2.55 | Check Better Price |
Replacements
Alternative OE numbers related to this product.
| Brand | Original OE | Replacement OE |
|---|---|---|
| - | 1373478020 | S137351460 |
Compatible Models
Vehicle models currently mapped to this OE part.
Show all 14 mapped vehicle models
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Product Overview
This is a genuine Toyota OEM valve spring seat (lower), OE 13734-78020, which gives the valve a sealing face in the cylinder head. It fits DYNA, DYNA/TOYOACE, DYNA/TOYOACE HV, QUICK DELI/URBAN SUP and COASTER (CHINA), built from 1993 to 2006. One cross-reference number applies here: S137351460.
Send your VIN or OE number for a wholesale quotation with worldwide export shipping.
Technical Specifications
| OE Number | 1373478020 |
| Part Name | Valve |
| Brand | Toyota |
| Position | Engine cylinder head, valve train (lower valve spring seat) |
| Type | Valve spring seat (lower) |
OE Cross-Reference
| S137351460 | Toyota |
Questions and Answers
Which Toyota or Lexus vehicles is 13734-78020 used on?
13734-78020 covers DYNA, DYNA/TOYOACE, DYNA/TOYOACE HV, QUICK DELI/URBAN SUP and COASTER (CHINA), with production years 1993 to 2006.
What part numbers replace 13734-78020?
Listed on this page are 1 interchangeable numbers for 13734-78020, among them S137351460 (Toyota).
How can I verify that 13734-78020 is a genuine Toyota part?
Check three things: (1) the box label carries the ten-character Toyota number 13734-78020 together with the country-of-origin marking; (2) the part number is die-stamped or laser-etched into the metal itself rather than printed in ink, and it matches the box label; (3) the metal carries the supplier’s mark cast or stamped next to Toyota’s own mark, not a separate printed sticker. We can supply the commercial invoice, packing list and, on request, a Certificate of Origin for any shipment.
Where is 13734-78020 installed on the vehicle?
It is fitted in the Engine cylinder head, valve train (lower valve spring seat) position.
How many pieces are needed for 13734-78020?
Sold as one piece per position – check the quantity required for your application.
Is 13734-78020 the same part across different markets?
The Toyota number 13734-78020 is unified across markets; a different number on another catalog is the superseded version – confirm with our sales team before dispatch.
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