Rotary Response and Racing  Motors Page

Moving  most  Engines internal parts to specific application pages 

This page will be Universal / Common parts and assembled engines

Apex seals  Corner Seals  Gaskets/Orings  Misc engine parts (tension bolts, dowel pins etc)

Please contact by email for info and purchase 

           All motors shipped truck freight only           

This page:

13B FD3S Flow ported RRR motor

12A 74/78 based IT/RS large port  block

13B REPU Cosmo 74 78  block

13B TII 1987 complete - Modified for Pre 86 installation any

Engine parts- See specific application pages

The website:

 Cars for sale    Main parts page  Performance Goodies old school included Aircraft/Marine/Utility 

Wheels and tires 

  Miscellania - Books Posters and stuff     eBay store    Web rings & Links  

Tech - Info - News

   RX7UP Project   Mariah Project   

Home

 

Rebuilt REPU/Cosmo ribcase 5 speed $795 plus shipping 

 

Counter weights - rear

 


The parts pages:

  Main Catalog    FD3S     FC3S

   Cosmo Repu

     Cars for sale  

 

The web pages:

  Rotary Tech and Info 

  RX7 eBay store   Webrings & Links  Home

 


"piston engine goes /\/\/\"

 


Miscellaneous Engine parts 


CWeightF.jpg (80009 bytes) damperFrt.jpg (45279 bytes) DPins.jpg (49633 bytes) TBolt.jpg (219815 bytes)

OPickup.jpg (113405 bytes) 71Rotors.jpg (114816 bytes)

Description  Avail         price each Buy   Description    Avail        Price each Buy
Tension bolt 60 12A early (lightest) 3.50     Dowel pin 80 12A 3.50  
Tension bolt 128 12A 1.50     Dowel pin 20 13B 6.00  
Tension bolt 144 13B early 2.50    
Tension bolt 40 13B FD3S (S6-) 4.00     Gear bolts/retainer 42      
Stationary gear  12  early short gear 6.00     Oil pump drive gears 54      
stationary gear 12   8.00     Pump chain 48      
stationary gear 14  mid  10.00     Dist drive gear 56      
stationary gear 14  Late long 12.00     adjusting washer 24   7.75  
Counter weight F 16  early 12A       roller bearings 36 early 12A/13B 2.25
Counter weight F 14  early 13B                
Counter weight F 12  later 13B      
Counter weight R 65  early 12A                
Counter weight R 75  early 13B                
Counter weight R 75  late 13B                 
           
Tension Bolts by the pound                    
                     
                     
                     

 


Gaskets - O rings 


 Condition: BL*  Factory Mazda New - no aftermarket

N2Y0-10-502  1979-1991 Rotary all (the good ones) 

n3a1n2y010502opt.jpg (79672 bytes)

22.54

N3A1-10-502 93- Rotary FD3S 

n3a1n2y010502opt.jpg (79672 bytes)

27.71

0813-10-555A rear stationary gear oring

081310555.jpg (85009 bytes)
5.75

0813-10-555A

  bag of 5
25.00
     
     

*BL- Blue Label


Apex Seals 


**  Mazda Rotary Engine Apex seals  ** 

Factory Mazda parts used 12A 13B 

Wear ranges 7.25mm to 8.40mm

some with side pieces    some used springs


 Condition: Used   All years and variations   1974 to 1985

Email

Prices vary by wear. $25 to $100 each  

many matched sets of 3 and 6

7.00 is Mazda's replacement criteria

12A  3mm   Apex seals

12aapexsls-2.jpg (155194 bytes) 12aapexsls-3.jpg (83376 bytes) 

12aapexseals.jpg (206753 bytes)

M - email

do not come with side pieces or springs

A  $420 set of six 
E  $225 set of 3
I   $125 set of 3
B  $420 set of six
F  $120 set of 3
J  $360 set of six
C  $420 set of six
G  $120 set of 3
K  $145 set of 3
D  $450 set of six
H  $120 set of 3
L  $145 set of 3

Click on images to enlarge

 12aapexsls-1.jpg (100997 bytes)

3 sets with side pieces

New $105 each
W $410 
with side seals
X $440
Y $420
with side seals

Z $410

SOLD

ZA $95 each
ZB $90 each
 
12aapexseals_5.jpg (127415 bytes) 12aapexseals_7.jpg (92054 bytes) aa $260

three with side seals

 

bb $420
cc $360 

with side seals

dd $360 

with side seals

ee $360 

with side seals

ff $300

Three

gg $75/85 each

email

  

13B Apex seals 3mm   used   7.60mm to 8.10mm

measured height ranges 7.50 to 8.40 mm

13B   3mm

13bapexseals-1.jpg (141431 bytes)

  Seal on left of image are the lightest

 seals on right of image heaviest

Some used side pieces and springs

 

13bapexseals-2.jpg (203930 bytes)

see enlarged image for measured height and code

Seal on left of image are the lightest

do not come with side pieces or springs

A $120   set of 3
F $225   set of 3
L  $200   set of 3
B $150   set of 3
H $100   set of 3
M $200   set of 3
C $150   set of 3
I  $100   set of 3
N $420   set of 6
D $200   set of 3
J  $150   set of 3
 
E $210   set of 3
K $150   set of 3
 
a1 a2 a3  

Click on images to enlarge

13B 3mm   7.51mm to 8.40mm

13bapexseals-3.jpg (213793 bytes)

see enlarged image for measured height and code

seals on right of image heaviest

do not come with side pieces or springs

O  $100  Set of 3
R $300 Set of 6
U $300 Set of 3
P  $100  Set of 3
S $250 Set of 6
 
Q  $100 Set of 3 
T $300 Set of 3
 

dsc02996.jpg (172310 bytes) Loose side pieces

 

Many matched sets  

  apexseals-2.jpg (289495 bytes)

apexseals-3.jpg (294766 bytes)  apexseals-4.jpg (369915 bytes) apexseals-5.jpg (533767 bytes)
Don't forget to click on images to enlarge


Corner Seals 


**  Mazda Rotary Engine Corner seals 67/73 ** 

Factory Mazda parts used 6MM

0820-11-321   $6.50 each new from Mazda

Only one Set of 12 available


 Condition: Used  No side seal damage

set of 12 with wire springs - usable  $48.00 cornersealsopt.jpg (188257 bytes)

0820-11-321 x 12

don't forget to click on images to enlarge


**  Mazda Rotary Engine Corner seals 74/78 NIB** 

Factory New Mazda parts not aftermarket

1011-11-321   $6.50 each new from Mazda

One Set of 12 new available 


 Condition: Mazda factory new in bag

one set of 12 (Not pictured)

$84

cornersealsopt.jpg (188257 bytes)

NIB 1011-11-321

don't forget to click on images to enlarge


**  Mazda Rotary Engine Corner seals 74/78 ** 

Factory Mazda parts used 3MM solid

1011-11-321   $6.50 each new from Mazda 

only 2 Sets of 12 available 


 Condition: Used  No side seal damage

set of 12 with wire springs - usable  $44.00 cornersealsopt.jpg (188257 bytes)

$44.00

don't forget to click on images to enlarge


**  Mazda Rotary Engine Corner seals 79/85 ** 

Factory Mazda parts used

N225-11-321   $6.50 each new from Mazda

Many Sets of 12 available


 Condition: Used  No side seal damage

set of 12 with wire springs - usable   $42.00 cornersealsopt.jpg (188257 bytes)

N221-11-321 x 12  $42.00

don't forget to click on images to enlarge


Used within factory specification apex and side seals available - inquire

Rear counterweights-

year motor part number available buy
79-82 12A 1881-11-751A 3 @ 75 each

83-85 12A   N226-11-751A -  
74-85 13B  1029-11-751A 3 @ 75 each

86-88 13B N327-11-751A -  
89-95 13B N351-11-5210 2 @ 95 each



1974 - 1985           13B
RX4 Cosmo RePu RX7

8182-23-103 early 74

no outer oil control ring relief

1757rotorsearly-1.jpg (101567 bytes)

1757rotorsearly-5.jpg (120791 bytes)1757rotorsearly-7.jpg (181894 bytes)

$300 each 
  • 1-A 
  • 1-B 
  • 1-C 
  • 2-D

No longer available new

EMAIL 

8182-23-103 late 

outer oil control ring relief

75/78

two need bearings 

1757rotorlate-1.jpg (157656 bytes)

1757rotorlate3.jpg (98585 bytes)1757rotorlate2.JPG (291392 bytes)

$250 each 
  • 2-C 
  • 1-D 
  • 1-E

No longer available new

EMAIL 

N304-23-103 84/85 13B GSL-SE 

 

 

GSLSErotors-1.jpg (139723 bytes)

serotor-2.jpg (141211 bytes)

$325 each A,B

 

A

B

N304-23-103 84/85 13B GSL-SE <15,000 miles serotor-3.jpg (132306 bytes) $425 15K each C,D

C

D


Salvaged good to use - 

Many used housings available in various states of wear. 78/85- many good rotor sets with eccentric shaft. A few light weight sets.  Some NIB housings 85 GSL-SE.

647W0397opt.jpg (142990 bytes)

 

Steel housings: Wear less than half of 

Mazda Replacement Criteria which is .010mm

   
1974/1978 15 available 15 each  
1979/1985 21 available 15 each  
1986/1991 4 available 75 each  
       

Please make inquires through email- sales@rotaryresponse.com


Rotary Engines


**  FD3S Flow ported US Federal RRR motor ** 

* Reconditioned with - 5 new housings  *

* New Factory Mazda seals o'rings and gaskets *

* RRR Flow ported intake *

* RRR matched ported intake*

Modified Oil system

*  IM240 Compliant * 

Less than 10,000 miles on rebuild

Capable of 435hp

drop in ready

FDsalvage_72.jpg (219923 bytes)

_EBY2143opt.jpg (69999 bytes)

_EBY2147opt.jpg (114644 bytes) _EBY2148opt.jpg (89835 bytes) _EBY2149opt.jpg (95502 bytes)

_EBY2139opt.jpg (65640 bytes) _EBY2134opt.jpg (87236 bytes) _EBY2133opt.jpg (101857 bytes)

$14,467.00 Complete as shown

(internal USA shipping included until 02/20/2012)

 

Motor only -  $8695.00

Plus Freight shipping


 


**  Reconditioned RX-3 12A for Improved Touring or RS 1971/1978 ** 

*  74/78 for vintage  *  

ported to SP specifications

Street application 1974/1978 RX-3 SP

$4695

Distributor not included

MVC-467Fopt.jpg (46651 bytes) MVC-468Fopt.jpg (43234 bytes)

Distributor not included

MVC-469Fopt.jpg (56003 bytes) MVC-470Fopt.jpg (62630 bytes)

Distributor not included

R5 steel plates.

 Carbon apex seals

MDR rotors

Oil system modifications.

 New water pump and thermostat.

6hr Centerforce clutch, fresh disc. 

Blocked injector ports.

Manifold included. 

No wear on 74 rotor housings

Resealed metering pump

             This will have to be shipped truck freight            

Shipping weight - 400 lbs US. rough estimate on shipping costs $375

sales@rotaryresponse.com


** Reconditioned 13B for 1974 1978 Mazda RePU 13B **

Like new virtually no wear .02mm on steel housings

Rotor housing like new

$4895.00

MVC-473Fopt.jpg (48796 bytes) MVC-474Fopt.jpg (49414 bytes) MVC-475Fopt.jpg (57289 bytes) MVC-476Fopt.jpg (49625 bytes)

All new rotor seals and springs

R5 steel housings - REPU specific porting

Front/rear steel plates .025mm wear

Intermediate housing .03mm

MDR rotors

No chipping or scoring on rotor housings

Water pump and thermostat

Oil pan

resealed metering pump

no flywheel 

 

 

             This will have to be shipped truck freight            

Shipping weight - 400 lbs US. rough estimate on shipping costs $375

sales@rotaryresponse.com


** Resealed 1987 Mazda 13B TII motor**

Modified to fit in a REPU, SA or FB series RX-7

Needs ECUs

$5295

MVC-466Fopt.jpg (61569 bytes)MVC-463Fopt.jpg (72156 bytes)MVC-465Fopt.jpg (64330 bytes)

Low mileage before reseal - < 20K

Modified front mount housing for turbo oil system

REPU oil pan

 

             This will have to be shipped truck freight            

Shipping weight - 400 lbs US. rough estimate on shipping costs $375

sales@rotaryresponse.com


 


return to    front page:

contact at sales@rotaryresponse.com

October 12, 2010 18:23:05 -0400                                                                                              Hit Counter