diff --git a/asm/include/ov09.inc b/asm/include/ov09.inc
index 61490183..f7ebf067 100644
--- a/asm/include/ov09.inc
+++ b/asm/include/ov09.inc
@@ -895,7 +895,7 @@
 .extern _ZNK11ItemManager19GetEquippedShipPartEj
 .extern _ZN11ItemManager13EquipShipPartEjj
 .extern _ZNK11ItemManager16GetShipPartCountEjj
-.extern _ZN11ItemManager16SetShipPartCountEjjj
+.extern _ZN11ItemManager16SetShipPartCountEjjc
 .extern gItemManager
 .extern _ZNK11ItemManager19GetEquippedShipPartEj
 .extern _ZN11ItemManager13EquipShipPartEjj
@@ -927,16 +927,16 @@
 .extern gItemManager
 .extern _ZN11ItemManager10GiveRupeesEjj
 .extern _ZNK11ItemManager16GetShipPartCountEjj
-.extern _ZN11ItemManager16SetShipPartCountEjjj
+.extern _ZN11ItemManager16SetShipPartCountEjjc
 .extern gItemManager
 .extern _ZN11ItemManager10GiveRupeesEjj
 .extern _ZNK11ItemManager16GetTreasureCountEj
 .extern _ZN11ItemManager16SetTreasureCountEjj
 .extern gItemManager
 .extern _ZNK11ItemManager16GetShipPartCountEjj
-.extern _ZN11ItemManager16SetShipPartCountEjjj
+.extern _ZN11ItemManager16SetShipPartCountEjjc
 .extern _ZNK11ItemManager16GetShipPartCountEjj
-.extern _ZN11ItemManager16SetShipPartCountEjjj
+.extern _ZN11ItemManager16SetShipPartCountEjjc
 .extern gItemManager
 .extern gOverlayManager
 .extern data_027e1058
diff --git a/asm/include/ov45.inc b/asm/include/ov45.inc
index 956f58a9..3eb0ef62 100644
--- a/asm/include/ov45.inc
+++ b/asm/include/ov45.inc
@@ -521,7 +521,7 @@
 .extern func_ov09_02118028
 .extern func_ov09_02118028
 .extern _ZNK11ItemManager16GetShipPartCountEjj
-.extern _ZN11ItemManager16SetShipPartCountEjjj
+.extern _ZN11ItemManager16SetShipPartCountEjjc
 .extern data_ov09_0211f52c
 .extern gItemManager
 .extern func_ov09_02113f40
diff --git a/asm/ov00/ItemManager/ItemManager.s b/asm/ov00/ItemManager/ItemManager.s
index 71bd4462..3b2d0902 100644
--- a/asm/ov00/ItemManager/ItemManager.s
+++ b/asm/ov00/ItemManager/ItemManager.s
@@ -3,24 +3,6 @@
 
 	.text
 
-	.global _ZN11ItemManager16SetShipPartCountEjjj
-	thumb_func_start _ZN11ItemManager16SetShipPartCountEjjj
-_ZN11ItemManager16SetShipPartCountEjjj: ; 0x020ad900
-	push {r3, r4}
-	cmp r3, #0x63
-	ble _020ad908
-	mov r3, #0x63
-_020ad908:
-	lsl r4, r1, #3
-	add r1, r1, r4
-	add r0, r0, r1
-	add r0, r0, r2
-	add r0, #0x48
-	strb r3, [r0]
-	pop {r3, r4}
-	bx lr
-	thumb_func_end _ZN11ItemManager16SetShipPartCountEjjj
-
 	.global _ZNK11ItemManager16GetTreasureCountEj
 	thumb_func_start _ZNK11ItemManager16GetTreasureCountEj
 _ZNK11ItemManager16GetTreasureCountEj: ; 0x020ad918
diff --git a/asm/ov09.s b/asm/ov09.s
index d7e84875..3961d617 100644
--- a/asm/ov09.s
+++ b/asm/ov09.s
@@ -16982,7 +16982,7 @@ _0211c6d8:
 	add r1, r5, #0
 	mov r2, #0
 	mov r3, #1
-	bl _ZN11ItemManager16SetShipPartCountEjjj
+	bl _ZN11ItemManager16SetShipPartCountEjjc
 _0211c6f2:
 	add r5, r5, #1
 	cmp r5, #8
@@ -17428,7 +17428,7 @@ func_ov09_0211c9a8: ; 0x0211c9a8
 	add r1, r5, #0
 	add r2, r4, #0
 	asr r3, r3, #0x18
-	bl _ZN11ItemManager16SetShipPartCountEjjj
+	bl _ZN11ItemManager16SetShipPartCountEjjc
 	pop {r4, r5, r6, pc}
 	nop
 	thumb_func_end func_ov09_0211c9a8
@@ -17496,7 +17496,7 @@ _0211ca3c:
 	ldr r0, [r0]
 	add r2, r4, #0
 	mov r3, #1
-	bl _ZN11ItemManager16SetShipPartCountEjjj
+	bl _ZN11ItemManager16SetShipPartCountEjjc
 	b _0211ca7c
 _0211ca5c:
 	ldr r0, _0211caa8 ; =gItemManager
@@ -17512,7 +17512,7 @@ _0211ca5c:
 	add r1, r5, #0
 	add r2, r4, #0
 	asr r3, r3, #0x18
-	bl _ZN11ItemManager16SetShipPartCountEjjj
+	bl _ZN11ItemManager16SetShipPartCountEjjc
 _0211ca7c:
 	ldr r0, _0211caac ; =data_ov09_0211f294
 	str r5, [r0]
diff --git a/asm/ov45.s b/asm/ov45.s
index f659e36d..816379ee 100644
--- a/asm/ov45.s
+++ b/asm/ov45.s
@@ -6182,7 +6182,7 @@ func_ov45_0218e010: ; 0x0218e010
 	sub r3, r3, #1
 	mov r3, r3, lsl #0x18
 	mov r3, r3, asr #0x18
-	blx _ZN11ItemManager16SetShipPartCountEjjj
+	blx _ZN11ItemManager16SetShipPartCountEjjc
 	ldmia sp!, {r4, r5, r6, pc}
 	.align 2, 0
 	arm_func_end func_ov45_0218e010
diff --git a/src/ItemManager.cpp b/src/ItemManager.cpp
index abca58d5..2d37ca5d 100644
--- a/src/ItemManager.cpp
+++ b/src/ItemManager.cpp
@@ -283,3 +283,8 @@ THUMB void ItemManager::EquipShipPart(ShipPart part, ShipType type) {
 THUMB s8 ItemManager::GetShipPartCount(ShipPart part, ShipType type) const {
     return this->mShipParts[part][type];
 }
+
+THUMB void ItemManager::SetShipPartCount(ShipPart part, ShipType type, s8 count) {
+    if (count > 99) count = 99;
+    this->mShipParts[part][type] = count;
+}