Factory service publications / 1950s / Service Bulletin 554

Johnson Service Bulletin #554 (1956) - .020 and .040 Oversize Pistons and Rings

Issued October 29, 1956, this factory bulletin lists available oversize pistons and piston rings, their original Johnson part numbers, model applications and 1956 prices. Johnson also notes that .010-inch oversize pistons and rings were no longer available from the factory, although distributors might have remaining stock.

Johnson Service Bulletin red letterhead and distribution checklist
SERVICE BULLETIN #554October 29, 1956
.020 AND .040 OVERSIZE PISTONS AND RINGS

The following is a list of the various oversize pistons and rings we have available for immediate shipment.

.010 Oversize Pistons and Rings are no longer available from the factory, however, your Parts Distributor may have these in stock for a limited time.

PISTONS .020" OVERSIZE

PART NO.DESCRIPTIONPRICE
375712HS, HA, HD 39 thru 26 series$2.30
375687LT, AT, DT 39, 10, TD-15, 20 TN25, thru 283.00
302394KD-155.90
375714SD series4.90
375713PO-159.20
277283JW series3.20
376427CD series3.00
277200AD series3.30
375715QD-10 thru 144.10
376274QD-14A thru 17 series4.10
277418FD-10 series4.00
375959RD-10 thru 17 series6.30
376532RD-18 series6.60

PISTON RINGS .020" OVERSIZE

PART NO.DESCRIPTIONPRICE
302391HS, HA, HD-39, 10, 20, 25 & 26$0.30
302298LT, AT, DT-39, 10, TS, TD-15, 20; TN-25 thru 28 & CD series0.35
302395KD-150.35
302397SD series0.25
302393PO-150.30
203398JW series0.60
203232AD series0.50
302399QD series & FD-10 series0.35
303066RD-10 thru 18 series0.45

PISTONS .040" OVERSIZE

PART NO.DESCRIPTIONPRICE
376830QD-14A thru QD-17 series$4.80
376831FD-10 series4.90
376828RD-10 thru RD-17 series7.10
376829RD-18 series7.60

PISTON RINGS .040" OVERSIZE

PART NO.DESCRIPTIONPRICE
304698RD-10 thru RD-18$0.40
304703QD-14A thru QD-17 and FD-100.40

(OVER)

Superior Service Spells Satisfaction
Page -2-   #554

MISCELLANEOUS

PART NO.DESCRIPTIONPRICE
27-224K-50 thru KD-15
Wrist Pin .005" Oversize
MODEL: Same as 27-27		$0.70
Original signed closing from W. D. Jones, Assistant Service Manager
sew

Original factory reference

Johnson Service Bulletin #554, October 29, 1956. Original factory prices are historical and not current prices. Part numbers and model designations are reproduced for service reference. The second page identifies wrist pin 27-224 as .005-inch oversize, with the same application as 27-27.